Re: How to change the default '.java' extension to '.jav'?

[David Crayford]

Broken record I know but why not just use a different text editor. VS 
code is a text editor but if you install enough extensions you can get close
to an IDE. Even for HLASM 
https://marketplace.visualstudio.com/items?itemName=broadcomMFD.hlasm-language-support



On 2020-04-16 9:41 AM, Paul Gilmartin wrote:

On Wed, 15 Apr 2020 16:05:59 +0800, David Crayford  wrote:

For a brute force solution you could just create symlinks (shortcuts) to
your *.java files with *.jav extensions. Trial to write a PowerShell
script to do that.


There's some irony here:
 
https://en.wikipedia.org/wiki/8.3_filename#VFAT_and_Computer-generated_8.3_filenames
 To maintain backward-compatibility with legacy applications (on DOS and
 Windows 3.1), on FAT and VFAT filesystems an 8.3 filename is automatically
 generated for every LFN, ...  The 8.3 filename can be obtained using the
 Kernel32.dll function GetShortPathName.

-- gil

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Re: How to change the default '.java' extension to '.jav'?

[Paul Gilmartin]

On Wed, 15 Apr 2020 16:05:59 +0800, David Crayford  wrote:
>
>For a brute force solution you could just create symlinks (shortcuts) to
>your *.java files with *.jav extensions. Trial to write a PowerShell
>script to do that.
>
There's some irony here:

https://en.wikipedia.org/wiki/8.3_filename#VFAT_and_Computer-generated_8.3_filenames
To maintain backward-compatibility with legacy applications (on DOS and
Windows 3.1), on FAT and VFAT filesystems an 8.3 filename is automatically
generated for every LFN, ...  The 8.3 filename can be obtained using the
Kernel32.dll function GetShortPathName.

-- gil

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Re: How to change the default '.java' extension to '.jav'?

[CM Poncelet]

Thanks, I'll bear it in mind when I cross that bridge. Cheers.

On 15/04/2020 09:05, David Crayford wrote:
> Trouble is you will have to write your (non-trivial) annotation
> processor in Java so it's a chicken and the egg problem.
>
> For a brute force solution you could just create symlinks (shortcuts)
> to your *.java files with *.jav extensions. Trial to write a
> PowerShell script to do that.
>
>
> On 2020-04-15 9:05 AM, CM Poncelet wrote:
>> Nice one. Thanks for that. I'll follow it up. Cheers.
>>
>> On 14/04/2020 12:29, Barkow, Eileen wrote:
>>> You need to set up annotation processor files but I am not sure how
>>> to do this.
>>> m:\javaprog>javac streamx.jav
>>> error: Class names, 'streamx.jav', are only accepted if annotation
>>> processing is explicitly requested
>>>
>>> -Original Message-
>>> From: IBM Mainframe Discussion List  On
>>> Behalf Of CM Poncelet
>>> Sent: Monday, April 13, 2020 10:56 PM
>>> To: IBM-MAIN@LISTSERV.UA.EDU
>>> Subject: Re: How to change the default '.java' extension to '.jav'?
>>>
>>> Thanks, but I can write, compile and run any Java program from
>>> SPF/PC (howbeit with some 'challenges') as long as it contains no
>>> "import" of classes etc.
>>>
>>> All I wanted to know is how to change the default ".java" extension
>>> to a 3-char one e.g. ".jav", that's all. I can deal with the rest.
>>>
>>> Thanks anyway.
>>>
>>> Cheers, Chris Poncelet
>>>
>>>
>>>
>>> On 13/04/2020 10:31, David Crayford wrote:
 I'm familiar with SPF/PC and that's great for simple editing with
 something familiar from ISPF.

 However, if you want to learn Java beyond "hello world" you will need
 an IDE. Java is a complex language and just creating packages and
 classes is onerous using a text editor. You need context assist and
 one-click refactoring to help you and either IDEA or Eclipse will do
 that.

 On 2020-04-13 11:13 AM, CM Poncelet wrote:
> SPF/PC is the CTC PC-version of ISPF/PDF. It supports Rexx (but not
> the full IBM REXX), ISREDIT edit macros, primary and line commands,
> tables, panels etc., and it also supports assembling, compiling,
> link-editing and executing programs - all from within SPF/PC.
>    I use it for writing Rexx, C, C++, MASM 6.1 (the Microsoft version
> of Intel assembler) and for just about everything else.
>    The problem with compiling Java is that SPF/PC supports only DOS
> 8.3 format files, which then excludes ".java" extensions as shown
> below:
>
> javac C:\JAVA\MYPROGS\CH01\HELLO1~1.java >
> C:\JAVA\OUTPUT\HELLO1~1.OUT
> javac: file not found: C:\JAVA\MYPROGS\CH01\HELLO1~1.java
> Usage: javac   use -help for a list of
> possible options
>    The alternative would be to use "Notepad", up with which I will
> not
> put.
>
>  SPF/PC(1)  PRIMARY OPTION PANEL
> ─ V 4.0
>    OPTION  ═══►
>
>   0  SPF/PC PARMS - Specify terminal and user parameters USERID
> - CMP
>   1  BROWSE   - Display source data or output listings TIME
> - 03:50
>   2  EDIT - Create or change source data   OPER
> SYS - DOS
>   3  UTILITIES    - Perform utility functions DATE - 20.097
>   4  FOREGROUND   - Invoke user applications in foreground
>   5  ENVIRONMENT  - Display information about system
> configuration
>   6  COMMAND  - Execute system command
>   7  DIALOG TEST  - Perform dialog testing
>   8  EH?  - Testing new features
>   C  CHANGES  - Changes from last version
>   T  TUTORIAL - Display information about SPF/PC
>   S  SAMPLES  - Sample panels and programs ▄▄▄ 
>   X  EXIT - Terminate SPF/PC  ─
> ▄▄
>  ▄▄─▄▄─
> ▄▄──▄▄─
>    Enter END command to terminate SPF/PC.   ▄▄─ ▄▄─ ▄▄─
> ▄▄─
>     ▄▄─
> ▄▄─
>   VERSION 4.0.7 (C) COPYRIGHT   ▄▄── ▄▄
> ▄▄─
>    COMMAND TECHNOLOGY CORP 1984, 1994   ▄▄─  ▄▄─
> ──
>  ──   ──
> 
>
>
>
> On 12/04/2020 04:42, David Crayford wrote:
>> Instead of these work arounds to use a prehistoric DOS-based editor
>> why don't you switch to an IDE?
>>
>> The best IDE for Java is Intellij IDEA which has highly advanced
>> code analysis/refactoring features. What exactly does SPF/PC buy
>> you?
>>
>> On 2020-04-12 10:56 AM, CM Poncelet wrote:
>>> No can do. The SPF/PC 4.0.7 editor is DOS-based, but has an
>>> extender to use whatever memory it needs > 640K.
>>>     It's Windoze that needs fixing.
>>>
>>>
>>> 

Re: How to change the default '.java' extension to '.jav'?

[David Crayford]

Trouble is you will have to write your (non-trivial) annotation 
processor in Java so it's a chicken and the egg problem.


For a brute force solution you could just create symlinks (shortcuts) to 
your *.java files with *.jav extensions. Trial to write a PowerShell 
script to do that.



On 2020-04-15 9:05 AM, CM Poncelet wrote:

Nice one. Thanks for that. I'll follow it up. Cheers.

On 14/04/2020 12:29, Barkow, Eileen wrote:

You need to set up annotation processor files but I am not sure how to do this.
m:\javaprog>javac streamx.jav
error: Class names, 'streamx.jav', are only accepted if annotation processing 
is explicitly requested

-Original Message-
From: IBM Mainframe Discussion List  On Behalf Of CM 
Poncelet
Sent: Monday, April 13, 2020 10:56 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: How to change the default '.java' extension to '.jav'?

Thanks, but I can write, compile and run any Java program from SPF/PC (howbeit with some 
'challenges') as long as it contains no "import" of classes etc.

All I wanted to know is how to change the default ".java" extension to a 3-char one e.g. 
".jav", that's all. I can deal with the rest.

Thanks anyway.

Cheers, Chris Poncelet



On 13/04/2020 10:31, David Crayford wrote:

I'm familiar with SPF/PC and that's great for simple editing with
something familiar from ISPF.

However, if you want to learn Java beyond "hello world" you will need
an IDE. Java is a complex language and just creating packages and
classes is onerous using a text editor. You need context assist and
one-click refactoring to help you and either IDEA or Eclipse will do
that.

On 2020-04-13 11:13 AM, CM Poncelet wrote:

SPF/PC is the CTC PC-version of ISPF/PDF. It supports Rexx (but not
the full IBM REXX), ISREDIT edit macros, primary and line commands,
tables, panels etc., and it also supports assembling, compiling,
link-editing and executing programs - all from within SPF/PC.
   I use it for writing Rexx, C, C++, MASM 6.1 (the Microsoft version
of Intel assembler) and for just about everything else.
   The problem with compiling Java is that SPF/PC supports only DOS
8.3 format files, which then excludes ".java" extensions as shown below:

javac C:\JAVA\MYPROGS\CH01\HELLO1~1.java >
C:\JAVA\OUTPUT\HELLO1~1.OUT
javac: file not found: C:\JAVA\MYPROGS\CH01\HELLO1~1.java
Usage: javac   use -help for a list of
possible options
   The alternative would be to use "Notepad", up with which I will not
put.

 SPF/PC(1)  PRIMARY OPTION PANEL
─ V 4.0
   OPTION  ═══►

  0  SPF/PC PARMS - Specify terminal and user parameters USERID
- CMP
  1  BROWSE   - Display source data or output listings TIME
- 03:50
  2  EDIT - Create or change source data   OPER
SYS - DOS
  3  UTILITIES- Perform utility functions DATE - 20.097
  4  FOREGROUND   - Invoke user applications in foreground
  5  ENVIRONMENT  - Display information about system configuration
  6  COMMAND  - Execute system command
  7  DIALOG TEST  - Perform dialog testing
  8  EH?  - Testing new features
  C  CHANGES  - Changes from last version
  T  TUTORIAL - Display information about SPF/PC
  S  SAMPLES  - Sample panels and programs ▄▄▄ 
  X  EXIT - Terminate SPF/PC  ─ ▄▄
 ▄▄─▄▄─
▄▄──▄▄─
   Enter END command to terminate SPF/PC.   ▄▄─ ▄▄─ ▄▄─
▄▄─
    ▄▄─
▄▄─
  VERSION 4.0.7 (C) COPYRIGHT   ▄▄── ▄▄
▄▄─
   COMMAND TECHNOLOGY CORP 1984, 1994   ▄▄─  ▄▄─
──
 ──   ──




On 12/04/2020 04:42, David Crayford wrote:

Instead of these work arounds to use a prehistoric DOS-based editor
why don't you switch to an IDE?

The best IDE for Java is Intellij IDEA which has highly advanced
code analysis/refactoring features. What exactly does SPF/PC buy you?

On 2020-04-12 10:56 AM, CM Poncelet wrote:

No can do. The SPF/PC 4.0.7 editor is DOS-based, but has an
extender to use whatever memory it needs > 640K.
It's Windoze that needs fixing.


On 12/04/2020 03:45, Paul Gilmartin wrote:

On Sun, 12 Apr 2020 03:40:58 +0100, CM Poncelet wrote:


Thanks, but never mind.
The change to using '.jav' instead of '.java' for the compiler
would have to be done at Java's implementation level, i.e. as a
sysadmin or sysprog. I have found no-one among the Java
developers and course tutors who could tell me how to do this. So
I thought this list *might* know.


Better to fix the editor than to break the compiler.

-- gil

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Re: How to change the default '.java' extension to '.jav'?

[CM Poncelet]

Yes, XP is the last version to support DOS - but now running under XP.

*Native DOS* is approx 20 times faster than XP. It has a one-to-one CPU
cycle correlation with Intel machine code. E.g. on an 80486/66
processor, the number of byte instructions executed per second was
69,206,016 - as expected from a 66MHz processor (when Windoze does not
get in the way.) My current processor is 3.2GHz.
 
I have PGP WDE installed and it does not support multi-OS booting. It
would be quicker for me to build a native DOS-only machine.
 
Thanks anyway.
 
Cheers, Chris Poncelet
 

On 14/04/2020 14:58, R.S. wrote:
> W dniu 12.04.2020 o 03:11, CM Poncelet pisze:
>> Yes - I still use DOS and SPF/PC, which are about 20 times faster
>> CPU-wise than Windows XP (the last version that still supports DOS
>> applications.)
>
> XP is the last version that supports DOS applications?
> I think it is matter of 32-bit vs 64-bit version/flavour of Windows.
>
> Simply speaking, 64-bit Windows does not support 16-bit applications,
> including Windows apps, like IBM Bookreader 2.03.
> Of course it is not good reason to stay with 32-bit Windows on PC
> machine with 32GB of RAM.
>
> There are better ways:
> 1. Use DOSbox. It's freeware, intended to run old games, but other
> apps are supported as well.
> 2. Use Virtual Box. It is "z/VM", which can host older systems
> including old Windows versions and DOS itself. It's also free.
>
> I would vote for Virtual Box, since you can have many virtual
> machines, clones (just for quick and potentially dangerous tests) and
> you can have "full-sized" Windows environment like Win XP with older
> Office and other stuff.
> And you can have OS/2 as a guest.
> And your OS need not to be Windows, it can be Linux.
>
> (of course licenses are needed for the stuff above)
>

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Re: How to change the default '.java' extension to '.jav'?

[CM Poncelet]

Nice one. Thanks for that. I'll follow it up. Cheers.

On 14/04/2020 12:29, Barkow, Eileen wrote:
> You need to set up annotation processor files but I am not sure how to do 
> this.
> m:\javaprog>javac streamx.jav
> error: Class names, 'streamx.jav', are only accepted if annotation processing 
> is explicitly requested
>
> -Original Message-
> From: IBM Mainframe Discussion List  On Behalf Of 
> CM Poncelet
> Sent: Monday, April 13, 2020 10:56 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: How to change the default '.java' extension to '.jav'?
>
> Thanks, but I can write, compile and run any Java program from SPF/PC 
> (howbeit with some 'challenges') as long as it contains no "import" of 
> classes etc.
>
> All I wanted to know is how to change the default ".java" extension to a 
> 3-char one e.g. ".jav", that's all. I can deal with the rest.
>
> Thanks anyway.
>
> Cheers, Chris Poncelet
>
>
>
> On 13/04/2020 10:31, David Crayford wrote:
>> I'm familiar with SPF/PC and that's great for simple editing with
>> something familiar from ISPF.
>>
>> However, if you want to learn Java beyond "hello world" you will need
>> an IDE. Java is a complex language and just creating packages and
>> classes is onerous using a text editor. You need context assist and
>> one-click refactoring to help you and either IDEA or Eclipse will do
>> that.
>>
>> On 2020-04-13 11:13 AM, CM Poncelet wrote:
>>> SPF/PC is the CTC PC-version of ISPF/PDF. It supports Rexx (but not
>>> the full IBM REXX), ISREDIT edit macros, primary and line commands,
>>> tables, panels etc., and it also supports assembling, compiling,
>>> link-editing and executing programs - all from within SPF/PC.
>>>   I use it for writing Rexx, C, C++, MASM 6.1 (the Microsoft version
>>> of Intel assembler) and for just about everything else.
>>>   The problem with compiling Java is that SPF/PC supports only DOS
>>> 8.3 format files, which then excludes ".java" extensions as shown below:
>>>
>>> javac C:\JAVA\MYPROGS\CH01\HELLO1~1.java >
>>> C:\JAVA\OUTPUT\HELLO1~1.OUT
>>> javac: file not found: C:\JAVA\MYPROGS\CH01\HELLO1~1.java
>>> Usage: javac   use -help for a list of
>>> possible options
>>>   The alternative would be to use "Notepad", up with which I will not
>>> put.
>>>
>>> SPF/PC(1)  PRIMARY OPTION PANEL
>>> ─ V 4.0
>>>   OPTION  ═══►
>>>
>>>  0  SPF/PC PARMS - Specify terminal and user parameters USERID
>>> - CMP
>>>  1  BROWSE   - Display source data or output listings TIME
>>> - 03:50
>>>  2  EDIT - Create or change source data   OPER
>>> SYS - DOS
>>>  3  UTILITIES- Perform utility functions DATE - 20.097
>>>  4  FOREGROUND   - Invoke user applications in foreground
>>>  5  ENVIRONMENT  - Display information about system configuration
>>>  6  COMMAND  - Execute system command
>>>  7  DIALOG TEST  - Perform dialog testing
>>>  8  EH?  - Testing new features
>>>  C  CHANGES  - Changes from last version
>>>  T  TUTORIAL - Display information about SPF/PC
>>>  S  SAMPLES  - Sample panels and programs ▄▄▄ 
>>>  X  EXIT - Terminate SPF/PC  ─ ▄▄
>>> ▄▄─▄▄─
>>> ▄▄──▄▄─
>>>   Enter END command to terminate SPF/PC.   ▄▄─ ▄▄─ ▄▄─
>>> ▄▄─
>>>    ▄▄─
>>> ▄▄─
>>>  VERSION 4.0.7 (C) COPYRIGHT   ▄▄── ▄▄
>>> ▄▄─
>>>   COMMAND TECHNOLOGY CORP 1984, 1994   ▄▄─  ▄▄─
>>> ──
>>> ──   ──
>>> 
>>>
>>>
>>>
>>> On 12/04/2020 04:42, David Crayford wrote:
 Instead of these work arounds to use a prehistoric DOS-based editor
 why don't you switch to an IDE?

 The best IDE for Java is Intellij IDEA which has highly advanced
 code analysis/refactoring features. What exactly does SPF/PC buy you?

 On 2020-04-12 10:56 AM, CM Poncelet wrote:
> No can do. The SPF/PC 4.0.7 editor is DOS-based, but has an
> extender to use whatever memory it needs > 640K.
>It's Windoze that needs fixing.
>
>
> On 12/04/2020 03:45, Paul Gilmartin wrote:
>> On Sun, 12 Apr 2020 03:40:58 +0100, CM Poncelet wrote:
>>
>>> Thanks, but never mind.
>>>The change to using '.jav' instead of '.java' for the compiler
>>> would have to be done at Java's implementation level, i.e. as a
>>> sysadmin or sysprog. I have found no-one among the Java
>>> developers and course tutors who could tell me how to do this. So
>>> I thought this list *might* know.
>>>
>> Better to fix the editor than to break the compiler.
>>
>> -- gil
>>
>> --
>> 
>>
>> For IBM-MAIN subscribe / signoff / archive 

Re: How to change the default '.java' extension to '.jav'?

[Seymour J Metz]

I've seen too many differences that "didn't matter" bite someone; equating 
Virtual Box to z/VM, with or without quotes, is just plain wrong. Similarly, if 
the OP has to get things past a legal staff, the difference between freeware 
and open source is a biggie. 


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
R.S. [r.skoru...@bremultibank.com.pl]
Sent: Tuesday, April 14, 2020 5:08 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: How to change the default '.java' extension to '.jav'?

W dniu 14.04.2020 o 21:13, Seymour J Metz pisze:
>> It's freeware
> No, it's open source. Freeware is something very different, and more 
> restrictive.

No, it DOESN'T MATTER. Really. The point is one can get it and use it
for free.

>> 2. Use Virtual Box. It is "z/VM",
> That is, if you've never seen z/VM. It's missing, e.g., XEDIT.
>
> The magic word is KVM, which, of course, can be used by multiple virtual 
> machine applications.

No, you're wrong. I have seen z/VM, installed and (poorly) configured
z/VM, and used XEDIT.
XEDIT is a part of CMS, and it's not the most important feature, but
again it doesn't matter in this case.
What I wanted to say is IMHO quite clear: virtual machine hypervisor. I
also used quotation marks, which should not be irrelevant for the reader.

Language is not for accuracy, but for communication. Sometimes brevity
is better than accuracy. Really.
You shouldn't be so picky, especially for non-English native speaker.
Really.
I just wanted to help someone, explain some solutions. What was your
intention?



--
Radoslaw Skorupka
Lodz, Poland





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Re: How to change the default '.java' extension to '.jav'?

[scott Ford]

Yep, XEDIT is part and particle of z/VM worked VM for 15+ yrs..never seen
VM without it...

Scott

On Tue, Apr 14, 2020 at 5:09 PM R.S.  wrote:

> W dniu 14.04.2020 o 21:13, Seymour J Metz pisze:
> >> It's freeware
> > No, it's open source. Freeware is something very different, and more
> restrictive.
>
> No, it DOESN'T MATTER. Really. The point is one can get it and use it
> for free.
>
> >> 2. Use Virtual Box. It is "z/VM",
> > That is, if you've never seen z/VM. It's missing, e.g., XEDIT.
> >
> > The magic word is KVM, which, of course, can be used by multiple virtual
> machine applications.
>
> No, you're wrong. I have seen z/VM, installed and (poorly) configured
> z/VM, and used XEDIT.
> XEDIT is a part of CMS, and it's not the most important feature, but
> again it doesn't matter in this case.
> What I wanted to say is IMHO quite clear: virtual machine hypervisor. I
> also used quotation marks, which should not be irrelevant for the reader.
>
> Language is not for accuracy, but for communication. Sometimes brevity
> is better than accuracy. Really.
> You shouldn't be so picky, especially for non-English native speaker.
> Really.
> I just wanted to help someone, explain some solutions. What was your
> intention?
>
>
>
> --
> Radoslaw Skorupka
> Lodz, Poland
>
>
>
>
>
> ==
>
> Jeśli nie jesteś adresatem tej wiadomości:
>
> - powiadom nas o tym w mailu zwrotnym (dziękujemy!),
> - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub
> zapisałeś na dysku).
> Wiadomość ta może zawierać chronione prawem informacje, które może
> wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia
> (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania,
> narusza prawo i może podlegać karze.
>
> mBank S.A. z siedzibą w Warszawie, ul. Senat
> orska
> 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy
> dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego,
> KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości)
> według stanu na 01.01.2020 r. wynosi 169.401.468 złotych.
>
> If you are not the addressee of this message:
>
> - let us know by replying to this e-mail (thank you!),
> - delete this message permanently (including all the copies which you have
> printed out or saved).
> This message may contain legally protected information, which may be used
> exclusively by the addressee.Please be reminded that anyone who
> disseminates (copies, distributes) this message or takes any similar
> action, violates the law and may be penalised.
>
> mBank S.A. with its registered office in Warsaw, ul. Senat
> orska
> 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District
> Court for the Capital City of Warsaw, 12th Commercial Division of the
> National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up
> share capital amounting to PLN 169.401.468 as at 1 January 2020.
>
> --
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>
-- 
Scott Ford
IDMWORKS
z/OS Development

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Re: How to change the default '.java' extension to '.jav'?

[R.S.]

W dniu 14.04.2020 o 21:13, Seymour J Metz pisze:

It's freeware

No, it's open source. Freeware is something very different, and more 
restrictive.


No, it DOESN'T MATTER. Really. The point is one can get it and use it 
for free.



2. Use Virtual Box. It is "z/VM",

That is, if you've never seen z/VM. It's missing, e.g., XEDIT.

The magic word is KVM, which, of course, can be used by multiple virtual 
machine applications.


No, you're wrong. I have seen z/VM, installed and (poorly) configured 
z/VM, and used XEDIT.
XEDIT is a part of CMS, and it's not the most important feature, but 
again it doesn't matter in this case.
What I wanted to say is IMHO quite clear: virtual machine hypervisor. I 
also used quotation marks, which should not be irrelevant for the reader.


Language is not for accuracy, but for communication. Sometimes brevity 
is better than accuracy. Really.
You shouldn't be so picky, especially for non-English native speaker. 
Really.
I just wanted to help someone, explain some solutions. What was your 
intention?




--
Radoslaw Skorupka
Lodz, Poland





==

Jeśli nie jesteś adresatem tej wiadomości:

- powiadom nas o tym w mailu zwrotnym (dziękujemy!),
- usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś 
na dysku).
Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać 
tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) 
tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać 
karze.

mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 
Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. 
Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, 
NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 
01.01.2020 r. wynosi 169.401.468 złotych.

If you are not the addressee of this message:

- let us know by replying to this e-mail (thank you!),
- delete this message permanently (including all the copies which you have 
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This message may contain legally protected information, which may be used 
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mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 
Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the Capital 
City of Warsaw, 12th Commercial Division of the National Court Register, KRS 
025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 
169.401.468 as at 1 January 2020.

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For IBM-MAIN subscribe / signoff / archive access instructions,
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Re: How to change the default '.java' extension to '.jav'?

[Seymour J Metz]

> It's freeware

No, it's open source. Freeware is something very different, and more 
restrictive.

> 2. Use Virtual Box. It is "z/VM", 

That is, if you've never seen z/VM. It's missing, e.g., XEDIT.

The magic word is KVM, which, of course, can be used by multiple virtual 
machine applications.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
R.S. [r.skoru...@bremultibank.com.pl]
Sent: Tuesday, April 14, 2020 9:58 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: How to change the default '.java' extension to '.jav'?

W dniu 12.04.2020 o 03:11, CM Poncelet pisze:
> Yes - I still use DOS and SPF/PC, which are about 20 times faster
> CPU-wise than Windows XP (the last version that still supports DOS
> applications.)

XP is the last version that supports DOS applications?
I think it is matter of 32-bit vs 64-bit version/flavour of Windows.

Simply speaking, 64-bit Windows does not support 16-bit applications,
including Windows apps, like IBM Bookreader 2.03.
Of course it is not good reason to stay with 32-bit Windows on PC
machine with 32GB of RAM.

There are better ways:
1. Use DOSbox. It's freeware, intended to run old games, but other apps
are supported as well.
2. Use Virtual Box. It is "z/VM", which can host older systems including
old Windows versions and DOS itself. It's also free.

I would vote for Virtual Box, since you can have many virtual machines,
clones (just for quick and potentially dangerous tests) and you can have
"full-sized" Windows environment like Win XP with older Office and other
stuff.
And you can have OS/2 as a guest.
And your OS need not to be Windows, it can be Linux.

(of course licenses are needed for the stuff above)

--
Radoslaw Skorupka
Lodz, Poland





==

Jeśli nie jesteś adresatem tej wiadomości:

- powiadom nas o tym w mailu zwrotnym (dziękujemy!),
- usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś 
na dysku).
Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać 
tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) 
tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać 
karze.

mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 
Warszawa,http://secure-web.cisco.com/1uL3aaDlAFAK-yFHg90uGj7oQH812BCUstQUXtEBOP1kga0r78omGgQRAWu7dUdmc3v-kPz89bUHTfbFLkorDy3bcXtx9rm5_ctMYukzYSvoMk32wqewWB-3mQrFxCKUgo5MkGy5LXuQ3Tytn2wMa3IENPhaRKKE8ce2urqkmS4tYJ2ZpcFSWIt3VqfIai7Ofkwe9ZMe6RPPWOmia4039kKtzAXgn7Tw4pG81RA6SvM03tOu0ecHMixFv3mFzItoVGVrBR3FzBqT1uCBTcs6qxkuAZJGOk-iCvopItaNnACDX-HUU7pAMwUTVZGxlWzQs2Tk7XF-VoyhG_8MjxE-BcVVQsplwCEfLYuBFPR6dcGsQ0z9hNlKSMjxjDpzX0CU_6LNsYE8EZG5qPVQYD85eDgn3TLMtJTDGXv9goJKLz3i9GwAPwMYtyXMtj5pnZJ2qzgmwOfBmc9t1g3EfQJnAFQ/http%3A%2F%2Fwww.mBank.pl,
 e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział 
Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. 
Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 
169.401.468 złotych.

If you are not the addressee of this message:

- let us know by replying to this e-mail (thank you!),
- delete this message permanently (including all the copies which you have 
printed out or saved).
This message may contain legally protected information, which may be used 
exclusively by the addressee.Please be reminded that anyone who disseminates 
(copies, distributes) this message or takes any similar action, violates the 
law and may be penalised.

mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 
Warszawa,http://secure-web.cisco.com/1uL3aaDlAFAK-yFHg90uGj7oQH812BCUstQUXtEBOP1kga0r78omGgQRAWu7dUdmc3v-kPz89bUHTfbFLkorDy3bcXtx9rm5_ctMYukzYSvoMk32wqewWB-3mQrFxCKUgo5MkGy5LXuQ3Tytn2wMa3IENPhaRKKE8ce2urqkmS4tYJ2ZpcFSWIt3VqfIai7Ofkwe9ZMe6RPPWOmia4039kKtzAXgn7Tw4pG81RA6SvM03tOu0ecHMixFv3mFzItoVGVrBR3FzBqT1uCBTcs6qxkuAZJGOk-iCvopItaNnACDX-HUU7pAMwUTVZGxlWzQs2Tk7XF-VoyhG_8MjxE-BcVVQsplwCEfLYuBFPR6dcGsQ0z9hNlKSMjxjDpzX0CU_6LNsYE8EZG5qPVQYD85eDgn3TLMtJTDGXv9goJKLz3i9GwAPwMYtyXMtj5pnZJ2qzgmwOfBmc9t1g3EfQJnAFQ/http%3A%2F%2Fwww.mBank.pl,
 e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th 
Commercial Division of the National Court Register, KRS 025237, NIP: 
526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 
January 2020.

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Re: How to change the default '.java' extension to '.jav'?

[Seymour J Metz]

> If something runs under DOS, then there is a chance it will run in DOSBox,

When I boot Linux or OS/2, I need to be able to edit all of the Linux or OS/2 
files, and running the TSPF DOS or windoze version won't give me that. I 
wouldn't use TSPF under OS/2 if it didn't support OS/2 file names.

That said, I've got a friend who is wedded to the Semware editor, and I keep 
offering to install Linux on one of his machines and let him run it under 
DOSBox or something similar.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
Tomasz Rola [rto...@ceti.com.pl]
Sent: Tuesday, April 14, 2020 10:33 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: How to change the default '.java' extension to '.jav'?

On Sun, Apr 12, 2020 at 01:21:35AM +, Seymour J Metz wrote:
> Fortunately I bought TSPF while Tritus was still selling it, so I
> never had to deal with CTC. It runs under DOS, OS/2 and 32-bit
> windoze; alas, there is no Linux version. It's much more compatible
> with ISPF than SPF/PC.

If something runs under DOS, then there is a chance it will run in
DOSBox, a kinda virtual-pc-dos-something emulator. Their aim is to run
games, mostly, but I think other software may work, too. The emulator
provides a rudimentary DOS-like environment.

At least DOS-like environment is easier to emulate than Windows-like
one, so after few years of work it should be near perfect :-).

There also was DOSemu but I have always had one problem or another
when I tried to use it. Many winters ago. It might have improved since
then.

Of course all those emulators (should) run under Mac, Linux, and what
would you like, perhaps Android too.

> Yes, I do have FreeDos on my OS/2 machine, but I hardly ever use it.

FreeDOS is nice, but it is hard for me to imagine running it natively,
i.e. not under some kind of virtual machine (kvm, qemu, and so on). At
least nowadays. And the number of CPUs which can boot it is going to
shrink dramatically.

OTOH, some folks are hardware tinkerers and some old firmware
programmators might only work with DOS programs via parallel port etc.

--
Regards,
Tomasz Rola

--
** A C programmer asked whether computer had Buddha's nature.  **
** As the answer, master did "rm -rif" on the programmer's home**
** directory. And then the C programmer became enlightened...  **
** **
** Tomasz Rola  mailto:tomasz_r...@bigfoot.com **

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Re: How to change the default '.java' extension to '.jav'?

[Tomasz Rola]

On Sun, Apr 12, 2020 at 01:21:35AM +, Seymour J Metz wrote:
> Fortunately I bought TSPF while Tritus was still selling it, so I
> never had to deal with CTC. It runs under DOS, OS/2 and 32-bit
> windoze; alas, there is no Linux version. It's much more compatible
> with ISPF than SPF/PC.

If something runs under DOS, then there is a chance it will run in
DOSBox, a kinda virtual-pc-dos-something emulator. Their aim is to run
games, mostly, but I think other software may work, too. The emulator
provides a rudimentary DOS-like environment.

At least DOS-like environment is easier to emulate than Windows-like
one, so after few years of work it should be near perfect :-).

There also was DOSemu but I have always had one problem or another
when I tried to use it. Many winters ago. It might have improved since
then.

Of course all those emulators (should) run under Mac, Linux, and what
would you like, perhaps Android too.

> Yes, I do have FreeDos on my OS/2 machine, but I hardly ever use it.

FreeDOS is nice, but it is hard for me to imagine running it natively,
i.e. not under some kind of virtual machine (kvm, qemu, and so on). At
least nowadays. And the number of CPUs which can boot it is going to
shrink dramatically.

OTOH, some folks are hardware tinkerers and some old firmware
programmators might only work with DOS programs via parallel port etc.

-- 
Regards,
Tomasz Rola

--
** A C programmer asked whether computer had Buddha's nature.  **
** As the answer, master did "rm -rif" on the programmer's home**
** directory. And then the C programmer became enlightened...  **
** **
** Tomasz Rola  mailto:tomasz_r...@bigfoot.com **

--
For IBM-MAIN subscribe / signoff / archive access instructions,
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Re: How to change the default '.java' extension to '.jav'?

[R.S.]

W dniu 12.04.2020 o 03:11, CM Poncelet pisze:

Yes - I still use DOS and SPF/PC, which are about 20 times faster
CPU-wise than Windows XP (the last version that still supports DOS
applications.)


XP is the last version that supports DOS applications?
I think it is matter of 32-bit vs 64-bit version/flavour of Windows.

Simply speaking, 64-bit Windows does not support 16-bit applications, 
including Windows apps, like IBM Bookreader 2.03.
Of course it is not good reason to stay with 32-bit Windows on PC 
machine with 32GB of RAM.


There are better ways:
1. Use DOSbox. It's freeware, intended to run old games, but other apps 
are supported as well.
2. Use Virtual Box. It is "z/VM", which can host older systems including 
old Windows versions and DOS itself. It's also free.


I would vote for Virtual Box, since you can have many virtual machines, 
clones (just for quick and potentially dangerous tests) and you can have 
"full-sized" Windows environment like Win XP with older Office and other 
stuff.

And you can have OS/2 as a guest.
And your OS need not to be Windows, it can be Linux.

(of course licenses are needed for the stuff above)

--
Radoslaw Skorupka
Lodz, Poland





==

Jeśli nie jesteś adresatem tej wiadomości:

- powiadom nas o tym w mailu zwrotnym (dziękujemy!),
- usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś 
na dysku).
Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać 
tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) 
tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać 
karze.

mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 
Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. 
Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, 
NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 
01.01.2020 r. wynosi 169.401.468 złotych.

If you are not the addressee of this message:

- let us know by replying to this e-mail (thank you!),
- delete this message permanently (including all the copies which you have 
printed out or saved).
This message may contain legally protected information, which may be used 
exclusively by the addressee.Please be reminded that anyone who disseminates 
(copies, distributes) this message or takes any similar action, violates the 
law and may be penalised.

mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 
Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the Capital 
City of Warsaw, 12th Commercial Division of the National Court Register, KRS 
025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 
169.401.468 as at 1 January 2020.

--
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Re: How to change the default '.java' extension to '.jav'?

[Barkow, Eileen]

You need to set up annotation processor files but I am not sure how to do this.
m:\javaprog>javac streamx.jav
error: Class names, 'streamx.jav', are only accepted if annotation processing 
is explicitly requested

-Original Message-
From: IBM Mainframe Discussion List  On Behalf Of CM 
Poncelet
Sent: Monday, April 13, 2020 10:56 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: How to change the default '.java' extension to '.jav'?

Thanks, but I can write, compile and run any Java program from SPF/PC (howbeit 
with some 'challenges') as long as it contains no "import" of classes etc.

All I wanted to know is how to change the default ".java" extension to a 3-char 
one e.g. ".jav", that's all. I can deal with the rest.

Thanks anyway.

Cheers, Chris Poncelet



On 13/04/2020 10:31, David Crayford wrote:
> I'm familiar with SPF/PC and that's great for simple editing with
> something familiar from ISPF.
>
> However, if you want to learn Java beyond "hello world" you will need
> an IDE. Java is a complex language and just creating packages and
> classes is onerous using a text editor. You need context assist and
> one-click refactoring to help you and either IDEA or Eclipse will do
> that.
>
> On 2020-04-13 11:13 AM, CM Poncelet wrote:
>> SPF/PC is the CTC PC-version of ISPF/PDF. It supports Rexx (but not
>> the full IBM REXX), ISREDIT edit macros, primary and line commands,
>> tables, panels etc., and it also supports assembling, compiling,
>> link-editing and executing programs - all from within SPF/PC.
>>   I use it for writing Rexx, C, C++, MASM 6.1 (the Microsoft version
>> of Intel assembler) and for just about everything else.
>>   The problem with compiling Java is that SPF/PC supports only DOS
>> 8.3 format files, which then excludes ".java" extensions as shown below:
>>
>> javac C:\JAVA\MYPROGS\CH01\HELLO1~1.java >
>> C:\JAVA\OUTPUT\HELLO1~1.OUT
>> javac: file not found: C:\JAVA\MYPROGS\CH01\HELLO1~1.java
>> Usage: javac   use -help for a list of
>> possible options
>>   The alternative would be to use "Notepad", up with which I will not
>> put.
>>
>> SPF/PC(1)  PRIMARY OPTION PANEL
>> ─ V 4.0
>>   OPTION  ═══►
>>
>>  0  SPF/PC PARMS - Specify terminal and user parameters USERID
>> - CMP
>>  1  BROWSE   - Display source data or output listings TIME
>> - 03:50
>>  2  EDIT - Create or change source data   OPER
>> SYS - DOS
>>  3  UTILITIES- Perform utility functions DATE - 20.097
>>  4  FOREGROUND   - Invoke user applications in foreground
>>  5  ENVIRONMENT  - Display information about system configuration
>>  6  COMMAND  - Execute system command
>>  7  DIALOG TEST  - Perform dialog testing
>>  8  EH?  - Testing new features
>>  C  CHANGES  - Changes from last version
>>  T  TUTORIAL - Display information about SPF/PC
>>  S  SAMPLES  - Sample panels and programs ▄▄▄ 
>>  X  EXIT - Terminate SPF/PC  ─ ▄▄
>> ▄▄─▄▄─
>> ▄▄──▄▄─
>>   Enter END command to terminate SPF/PC.   ▄▄─ ▄▄─ ▄▄─
>> ▄▄─
>>    ▄▄─
>> ▄▄─
>>  VERSION 4.0.7 (C) COPYRIGHT   ▄▄── ▄▄
>> ▄▄─
>>   COMMAND TECHNOLOGY CORP 1984, 1994   ▄▄─  ▄▄─
>> ──
>> ──   ──
>> 
>>
>>
>>
>> On 12/04/2020 04:42, David Crayford wrote:
>>> Instead of these work arounds to use a prehistoric DOS-based editor
>>> why don't you switch to an IDE?
>>>
>>> The best IDE for Java is Intellij IDEA which has highly advanced
>>> code analysis/refactoring features. What exactly does SPF/PC buy you?
>>>
>>> On 2020-04-12 10:56 AM, CM Poncelet wrote:
 No can do. The SPF/PC 4.0.7 editor is DOS-based, but has an
 extender to use whatever memory it needs > 640K.
It's Windoze that needs fixing.


 On 12/04/2020 03:45, Paul Gilmartin wrote:
> On Sun, 12 Apr 2020 03:40:58 +0100, CM Poncelet wrote:
>
>> Thanks, but never mind.
>>The change to using '.jav' instead of '.java' for the compiler
>> would have to be done at Java's implementation level, i.e. as a
>> sysadmin or sysprog. I have found no-one among the Java
>> developers and course tutors who could tell me how to do this. So
>> I thought this list *might* know.
>>
> Better to fix the editor than to break the compiler.
>
> -- gil
>
> --
> 
>
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO
> IBM-MAIN .
>
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 --- For IBM-MAIN subscribe / signoff / archive access 

Re: How to change the default '.java' extension to '.jav'?

[Paul Gilmartin]

On Tue, 14 Apr 2020 03:56:00 +0100, CM Poncelet wrote:

>Thanks, but I can write, compile and run any Java program from SPF/PC
>(howbeit with some 'challenges') as long as it contains no "import" of
>classes etc.
> 
>All I wanted to know is how to change the default ".java" extension to a
>3-char one e.g. ".jav", that's all. I can deal with the rest.
>  
This thread belongs in alt.cyberpunk.

-- gil

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Re: How to change the default '.java' extension to '.jav'?

[CM Poncelet]

Thanks, but I can write, compile and run any Java program from SPF/PC
(howbeit with some 'challenges') as long as it contains no "import" of
classes etc.
 
All I wanted to know is how to change the default ".java" extension to a
3-char one e.g. ".jav", that's all. I can deal with the rest.
 
Thanks anyway.
 
Cheers, Chris Poncelet
 


On 13/04/2020 10:31, David Crayford wrote:
> I'm familiar with SPF/PC and that's great for simple editing with
> something familiar from ISPF.
>
> However, if you want to learn Java beyond "hello world" you will need
> an IDE. Java is a complex language and just creating
> packages and classes is onerous using a text editor. You need context
> assist and one-click refactoring to help you and either IDEA
> or Eclipse will do that.
>
> On 2020-04-13 11:13 AM, CM Poncelet wrote:
>> SPF/PC is the CTC PC-version of ISPF/PDF. It supports Rexx (but not the
>> full IBM REXX), ISREDIT edit macros, primary and line commands, tables,
>> panels etc., and it also supports assembling, compiling, link-editing
>> and executing programs - all from within SPF/PC.
>>   I use it for writing Rexx, C, C++, MASM 6.1 (the Microsoft version of
>> Intel assembler) and for just about everything else.
>>   The problem with compiling Java is that SPF/PC supports only DOS 8.3
>> format files, which then excludes ".java" extensions as shown below:
>>
>> javac C:\JAVA\MYPROGS\CH01\HELLO1~1.java > C:\JAVA\OUTPUT\HELLO1~1.OUT
>> javac: file not found: C:\JAVA\MYPROGS\CH01\HELLO1~1.java
>> Usage: javac  
>> use -help for a list of possible options
>>   The alternative would be to use "Notepad", up with which I will not
>> put.
>>  
>>     SPF/PC(1)  PRIMARY OPTION PANEL
>> ─ V 4.0
>>   OPTION  ═══►
>>
>>  0  SPF/PC PARMS - Specify terminal and user parameters  
>> USERID   - CMP
>>  1  BROWSE   - Display source data or output listings
>> TIME - 03:50
>>  2  EDIT - Create or change source data   OPER
>> SYS - DOS
>>  3  UTILITIES    - Perform utility functions 
>> DATE - 20.097
>>  4  FOREGROUND   - Invoke user applications in foreground
>>  5  ENVIRONMENT  - Display information about system configuration
>>  6  COMMAND  - Execute system command
>>  7  DIALOG TEST  - Perform dialog testing
>>  8  EH?  - Testing new features
>>  C  CHANGES  - Changes from last version
>>  T  TUTORIAL - Display information about SPF/PC
>>  S  SAMPLES  - Sample panels and programs ▄▄▄   
>> 
>>  X  EXIT - Terminate SPF/PC  ─ 
>> ▄▄
>>     ▄▄─▄▄─ 
>> ▄▄──▄▄─
>>   Enter END command to terminate SPF/PC.   ▄▄─ ▄▄─ 
>> ▄▄─ ▄▄─
>>    
>> ▄▄─ ▄▄─
>>  VERSION 4.0.7 (C) COPYRIGHT   ▄▄── ▄▄ 
>> ▄▄─
>>   COMMAND TECHNOLOGY CORP 1984, 1994   ▄▄─  ▄▄─ 
>> ──
>>     ──   ──  
>> 
>>
>>  
>>
>> On 12/04/2020 04:42, David Crayford wrote:
>>> Instead of these work arounds to use a prehistoric DOS-based editor
>>> why don't you switch to an IDE?
>>>
>>> The best IDE for Java is Intellij IDEA which has highly advanced code
>>> analysis/refactoring features. What exactly does SPF/PC buy you?
>>>
>>> On 2020-04-12 10:56 AM, CM Poncelet wrote:
 No can do. The SPF/PC 4.0.7 editor is DOS-based, but has an
 extender to
 use whatever memory it needs > 640K.
    It's Windoze that needs fixing.

  
 On 12/04/2020 03:45, Paul Gilmartin wrote:
> On Sun, 12 Apr 2020 03:40:58 +0100, CM Poncelet wrote:
>
>> Thanks, but never mind.
>>    The change to using '.jav' instead of '.java' for the compiler
>> would
>> have to be done at Java's implementation level, i.e. as a
>> sysadmin or
>> sysprog. I have found no-one among the Java developers and course
>> tutors
>> who could tell me how to do this. So I thought this list *might*
>> know.
>>    
> Better to fix the editor than to break the compiler.
>
> -- gil
>
> --
>
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO
> IBM-MAIN
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>
 --
 For IBM-MAIN subscribe / signoff / archive access instructions,
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>>> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>>> .
>>>
>> 

Re: How to change the default '.java' extension to '.jav'?

[Steve Smith]

LOL.  All hail Tiberius Caesar!

sas

On Mon, Apr 13, 2020 at 10:24 PM CM Poncelet  wrote:

> ...
>
> It does support Y2K: the current date 2020/04/14 is shown correctly as
> "20.105".

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Re: How to change the default '.java' extension to '.jav'?

[CM Poncelet]

Yes, my version is the last SPF/PC and from the mid-1990's. The later
SPF/SE does not support Rexx, edit macros, or even keyboard (PFK) remapping.
 
It does support Y2K: the current date 2020/04/14 is shown correctly as
"20.105".


On 13/04/2020 10:28, Jeremy Nicoll wrote:
> On Mon, 13 Apr 2020, at 04:13, CM Poncelet wrote:
>> SPF/PC is the CTC PC-version of ISPF/PDF. It supports Rexx (but not the
>> full IBM REXX), ISREDIT edit macros, primary and line commands, tables,
>> panels etc., and it also supports assembling, compiling, link-editing 
>> and executing programs - all from within SPF/PC.
> Didn't that cease to be available in the late 1990s, though?
>
>> The problem with compiling Java is that SPF/PC supports only DOS 8.3 
>> format files,...
> I thought it also had no Y2K support?
>

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Re: How to change the default '.java' extension to '.jav'?

[David Crayford]

I'm familiar with SPF/PC and that's great for simple editing with 
something familiar from ISPF.


However, if you want to learn Java beyond "hello world" you will need an 
IDE. Java is a complex language and just creating
packages and classes is onerous using a text editor. You need context 
assist and one-click refactoring to help you and either IDEA

or Eclipse will do that.

On 2020-04-13 11:13 AM, CM Poncelet wrote:

SPF/PC is the CTC PC-version of ISPF/PDF. It supports Rexx (but not the
full IBM REXX), ISREDIT edit macros, primary and line commands, tables,
panels etc., and it also supports assembling, compiling, link-editing
and executing programs - all from within SPF/PC.
  
I use it for writing Rexx, C, C++, MASM 6.1 (the Microsoft version of

Intel assembler) and for just about everything else.
  
The problem with compiling Java is that SPF/PC supports only DOS 8.3

format files, which then excludes ".java" extensions as shown below:

javac C:\JAVA\MYPROGS\CH01\HELLO1~1.java > C:\JAVA\OUTPUT\HELLO1~1.OUT
javac: file not found: C:\JAVA\MYPROGS\CH01\HELLO1~1.java
Usage: javac  
use -help for a list of possible options
  
The alternative would be to use "Notepad", up with which I will not put.
  

  
  SPF/PC(1)  PRIMARY OPTION PANEL ─ V 4.0

  OPTION  ═══►

 0  SPF/PC PARMS - Specify terminal and user parameters   USERID   - CMP
 1  BROWSE   - Display source data or output listings TIME - 03:50
 2  EDIT - Create or change source data   OPER SYS - DOS
 3  UTILITIES- Perform utility functions  DATE - 20.097
 4  FOREGROUND   - Invoke user applications in foreground
 5  ENVIRONMENT  - Display information about system configuration
 6  COMMAND  - Execute system command
 7  DIALOG TEST  - Perform dialog testing
 8  EH?  - Testing new features
 C  CHANGES  - Changes from last version
 T  TUTORIAL - Display information about SPF/PC
 S  SAMPLES  - Sample panels and programs ▄▄▄
 X  EXIT - Terminate SPF/PC  ─  ▄▄
▄▄─▄▄─  ▄▄──▄▄─
  Enter END command to terminate SPF/PC.   ▄▄─ ▄▄─  ▄▄─ ▄▄─
    ▄▄─ ▄▄─
 VERSION 4.0.7 (C) COPYRIGHT   ▄▄── ▄▄  ▄▄─
  COMMAND TECHNOLOGY CORP 1984, 1994   ▄▄─  ▄▄─  ──
──   ──   

  



On 12/04/2020 04:42, David Crayford wrote:

Instead of these work arounds to use a prehistoric DOS-based editor
why don't you switch to an IDE?

The best IDE for Java is Intellij IDEA which has highly advanced code
analysis/refactoring features. What exactly does SPF/PC buy you?

On 2020-04-12 10:56 AM, CM Poncelet wrote:

No can do. The SPF/PC 4.0.7 editor is DOS-based, but has an extender to
use whatever memory it needs > 640K.
   It's Windoze that needs fixing.

  


On 12/04/2020 03:45, Paul Gilmartin wrote:

On Sun, 12 Apr 2020 03:40:58 +0100, CM Poncelet wrote:


Thanks, but never mind.
   The change to using '.jav' instead of '.java' for the compiler would
have to be done at Java's implementation level, i.e. as a sysadmin or
sysprog. I have found no-one among the Java developers and course
tutors
who could tell me how to do this. So I thought this list *might* know.
   

Better to fix the editor than to break the compiler.

-- gil

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Re: How to change the default '.java' extension to '.jav'?

[Jeremy Nicoll]

On Mon, 13 Apr 2020, at 04:13, CM Poncelet wrote:
> SPF/PC is the CTC PC-version of ISPF/PDF. It supports Rexx (but not the
> full IBM REXX), ISREDIT edit macros, primary and line commands, tables,
> panels etc., and it also supports assembling, compiling, link-editing 
> and executing programs - all from within SPF/PC.

Didn't that cease to be available in the late 1990s, though?

> The problem with compiling Java is that SPF/PC supports only DOS 8.3 
> format files,...

I thought it also had no Y2K support?

-- 
Jeremy Nicoll - my opinions are my own.

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Re: How to change the default '.java' extension to '.jav'?

[CM Poncelet]

SPF/PC is the CTC PC-version of ISPF/PDF. It supports Rexx (but not the
full IBM REXX), ISREDIT edit macros, primary and line commands, tables,
panels etc., and it also supports assembling, compiling, link-editing 
and executing programs - all from within SPF/PC.
 
I use it for writing Rexx, C, C++, MASM 6.1 (the Microsoft version of
Intel assembler) and for just about everything else. 
 
The problem with compiling Java is that SPF/PC supports only DOS 8.3 
format files, which then excludes ".java" extensions as shown below:

javac C:\JAVA\MYPROGS\CH01\HELLO1~1.java > C:\JAVA\OUTPUT\HELLO1~1.OUT
javac: file not found: C:\JAVA\MYPROGS\CH01\HELLO1~1.java
Usage: javac  
use -help for a list of possible options 
 
The alternative would be to use "Notepad", up with which I will not put. 
 

 
 SPF/PC(1)  PRIMARY OPTION PANEL ─ V 4.0
 OPTION  ═══►

0  SPF/PC PARMS - Specify terminal and user parameters   USERID   - CMP
1  BROWSE   - Display source data or output listings TIME - 03:50
2  EDIT - Create or change source data   OPER SYS - DOS
3  UTILITIES- Perform utility functions  DATE - 20.097
4  FOREGROUND   - Invoke user applications in foreground
5  ENVIRONMENT  - Display information about system configuration
6  COMMAND  - Execute system command
7  DIALOG TEST  - Perform dialog testing
8  EH?  - Testing new features
C  CHANGES  - Changes from last version
T  TUTORIAL - Display information about SPF/PC
S  SAMPLES  - Sample panels and programs ▄▄▄
X  EXIT - Terminate SPF/PC  ─  ▄▄
   ▄▄─▄▄─  ▄▄──▄▄─
 Enter END command to terminate SPF/PC.   ▄▄─ ▄▄─  ▄▄─ ▄▄─
   ▄▄─ ▄▄─
VERSION 4.0.7 (C) COPYRIGHT   ▄▄── ▄▄  ▄▄─
 COMMAND TECHNOLOGY CORP 1984, 1994   ▄▄─  ▄▄─  ──
   ──   ──   

 


On 12/04/2020 04:42, David Crayford wrote:
> Instead of these work arounds to use a prehistoric DOS-based editor
> why don't you switch to an IDE?
>
> The best IDE for Java is Intellij IDEA which has highly advanced code
> analysis/refactoring features. What exactly does SPF/PC buy you?
>
> On 2020-04-12 10:56 AM, CM Poncelet wrote:
>> No can do. The SPF/PC 4.0.7 editor is DOS-based, but has an extender to
>> use whatever memory it needs > 640K.
>>   It's Windoze that needs fixing.
>>
>>  
>>
>> On 12/04/2020 03:45, Paul Gilmartin wrote:
>>> On Sun, 12 Apr 2020 03:40:58 +0100, CM Poncelet wrote:
>>>
 Thanks, but never mind.
   The change to using '.jav' instead of '.java' for the compiler would
 have to be done at Java's implementation level, i.e. as a sysadmin or
 sysprog. I have found no-one among the Java developers and course
 tutors
 who could tell me how to do this. So I thought this list *might* know.
   
>>> Better to fix the editor than to break the compiler.
>>>
>>> -- gil
>>>
>>> --
>>> For IBM-MAIN subscribe / signoff / archive access instructions,
>>> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>>> .
>>>
>> --
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>
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>

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Re: How to change the default '.java' extension to '.jav'?

[David Crayford]

Instead of these work arounds to use a prehistoric DOS-based editor why 
don't you switch to an IDE?


The best IDE for Java is Intellij IDEA which has highly advanced code 
analysis/refactoring features. What exactly does SPF/PC buy you?


On 2020-04-12 10:56 AM, CM Poncelet wrote:

No can do. The SPF/PC 4.0.7 editor is DOS-based, but has an extender to
use whatever memory it needs > 640K.
  
It's Windoze that needs fixing.


  



On 12/04/2020 03:45, Paul Gilmartin wrote:

On Sun, 12 Apr 2020 03:40:58 +0100, CM Poncelet wrote:


Thanks, but never mind.
  
The change to using '.jav' instead of '.java' for the compiler would

have to be done at Java's implementation level, i.e. as a sysadmin or
sysprog. I have found no-one among the Java developers and course tutors
who could tell me how to do this. So I thought this list *might* know.
  

Better to fix the editor than to break the compiler.

-- gil

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Re: How to change the default '.java' extension to '.jav'?

[CM Poncelet]

No can do. The SPF/PC 4.0.7 editor is DOS-based, but has an extender to
use whatever memory it needs > 640K.
 
It's Windoze that needs fixing.

 


On 12/04/2020 03:45, Paul Gilmartin wrote:
> On Sun, 12 Apr 2020 03:40:58 +0100, CM Poncelet wrote:
>
>> Thanks, but never mind.
>>  
>> The change to using '.jav' instead of '.java' for the compiler would
>> have to be done at Java's implementation level, i.e. as a sysadmin or
>> sysprog. I have found no-one among the Java developers and course tutors
>> who could tell me how to do this. So I thought this list *might* know.
>>  
> Better to fix the editor than to break the compiler.
>
> -- gil
>
> --
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
> .
>

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Re: How to change the default '.java' extension to '.jav'?

[Paul Gilmartin]

On Sun, 12 Apr 2020 03:40:58 +0100, CM Poncelet wrote:

>Thanks, but never mind.
> 
>The change to using '.jav' instead of '.java' for the compiler would
>have to be done at Java's implementation level, i.e. as a sysadmin or
>sysprog. I have found no-one among the Java developers and course tutors
>who could tell me how to do this. So I thought this list *might* know.
> 
Better to fix the editor than to break the compiler.

-- gil

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Re: How to change the default '.java' extension to '.jav'?

[CM Poncelet]

Thanks, but never mind.
 
The change to using '.jav' instead of '.java' for the compiler would
have to be done at Java's implementation level, i.e. as a sysadmin or
sysprog. I have found no-one among the Java developers and course tutors
who could tell me how to do this. So I thought this list *might* know.
 
Thanks anyway.
 
Cheers, Chris Poncelet (retired sysprog)
 
 

On 12/04/2020 02:21, Seymour J Metz wrote:
> Fortunately I bought TSPF while Tritus was still selling it, so I never had 
> to deal with CTC. It runs under DOS, OS/2 and 32-bit windoze; alas, there is 
> no Linux version. It's much more compatible with ISPF than SPF/PC.
>
> Yes, I do have FreeDos on my OS/2 machine, but I hardly ever use it.
>
>
> --
> Shmuel (Seymour J.) Metz
> http://mason.gmu.edu/~smetz3
>
> 
> From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
> CM Poncelet [ponce...@bcs.org.uk]
> Sent: Saturday, April 11, 2020 9:11 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: How to change the default '.java' extension to '.jav'?
>
> Yes - I still use DOS and SPF/PC, which are about 20 times faster
> CPU-wise than Windows XP (the last version that still supports DOS
> applications.)
>
> Thanks for the 'support'. 
>
> Cheers, Chris
>
>
> On 11/04/2020 16:00, Greg Price wrote:
>> On 2020-04-11 11:34 PM, Paul Gilmartin wrote:
 Does anyone know how to change this default '.java' extension to a
 3-char one, such as '.jav',  that DOS and SPF/PC could then edit,
 compile and run?

>>> WTF?  Windows hasn't suffered the 8.3 restriction for many releases now.
>> I think DOS and SPF/PC can be considered as "pre-Windows" software.
>>
>> My question would be: Does anyone still use DOS or SPF/PC?
>>
>> And no, I am not seeking to pry it from anyone's fingers be they
>> living or dead.  If you got it and want to use it, then go ahead.
>> :)
>>
>> Cheers,
>> Greg
>>
>> --
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>> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
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Re: How to change the default '.java' extension to '.jav'?

[Seymour J Metz]

Fortunately I bought TSPF while Tritus was still selling it, so I never had to 
deal with CTC. It runs under DOS, OS/2 and 32-bit windoze; alas, there is no 
Linux version. It's much more compatible with ISPF than SPF/PC.

Yes, I do have FreeDos on my OS/2 machine, but I hardly ever use it.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3


From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of CM 
Poncelet [ponce...@bcs.org.uk]
Sent: Saturday, April 11, 2020 9:11 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: How to change the default '.java' extension to '.jav'?

Yes - I still use DOS and SPF/PC, which are about 20 times faster
CPU-wise than Windows XP (the last version that still supports DOS
applications.)

Thanks for the 'support'. 

Cheers, Chris


On 11/04/2020 16:00, Greg Price wrote:
> On 2020-04-11 11:34 PM, Paul Gilmartin wrote:
>>> Does anyone know how to change this default '.java' extension to a
>>> 3-char one, such as '.jav',  that DOS and SPF/PC could then edit,
>>> compile and run?
>>>
>> WTF?  Windows hasn't suffered the 8.3 restriction for many releases now.
>
> I think DOS and SPF/PC can be considered as "pre-Windows" software.
>
> My question would be: Does anyone still use DOS or SPF/PC?
>
> And no, I am not seeking to pry it from anyone's fingers be they
> living or dead.  If you got it and want to use it, then go ahead.
> :)
>
> Cheers,
> Greg
>
> --
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
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Re: How to change the default '.java' extension to '.jav'?

[CM Poncelet]

Yes - I still use DOS and SPF/PC, which are about 20 times faster
CPU-wise than Windows XP (the last version that still supports DOS
applications.)
 
Thanks for the 'support'. 

Cheers, Chris
 

On 11/04/2020 16:00, Greg Price wrote:
> On 2020-04-11 11:34 PM, Paul Gilmartin wrote:
>>> Does anyone know how to change this default '.java' extension to a
>>> 3-char one, such as '.jav',  that DOS and SPF/PC could then edit,
>>> compile and run?
>>>   
>> WTF?  Windows hasn't suffered the 8.3 restriction for many releases now.
>
> I think DOS and SPF/PC can be considered as "pre-Windows" software.
>
> My question would be: Does anyone still use DOS or SPF/PC?
>
> And no, I am not seeking to pry it from anyone's fingers be they
> living or dead.  If you got it and want to use it, then go ahead.
> :)
>
> Cheers,
> Greg
>
> --
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
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>


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Re: How to change the default '.java' extension to '.jav'?

[Greg Price]

On 2020-04-11 11:34 PM, Paul Gilmartin wrote:

Does anyone know how to change this default '.java' extension to a
3-char one, such as '.jav',  that DOS and SPF/PC could then edit,
compile and run?
  

WTF?  Windows hasn't suffered the 8.3 restriction for many releases now.


I think DOS and SPF/PC can be considered as "pre-Windows" software.

My question would be: Does anyone still use DOS or SPF/PC?

And no, I am not seeking to pry it from anyone's fingers be they living 
or dead.  If you got it and want to use it, then go ahead.

:)

Cheers,
Greg

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Re: How to change the default '.java' extension to '.jav'?

[Bob Bridges]

I would think this is a change you'd make not in Java but in Windows.  Windows 
keeps a list of "associations", so that when you double-click on a file with 
extension .xlsx, for example, it knows to run Excel.  Every time I get a new 
computer, I change the association for .rtf to run WordPad instead of Word.  In 
the same way you can invent new extensions, to open .vbc in Notepad maybe.

At least, I ~used~ to do that routinely.  In Win XP there was an entry for it 
under the File Explorer's Tools option.  I'm pretty sure I've done in at least 
once in Win 10, but I'd have to remember how.  Anyway, since I'm pretty sure 
the solution is in Windows, you'll probably want to move the question to a 
different forum, though someone here may know.

---
Bob Bridges, robhbrid...@gmail.com, cell 336 382-7313

/* Children need love, especially when they do not deserve it.  -Harold S 
Hulbert */

-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of CM Poncelet
Sent: Friday, April 10, 2020 23:09
 
Java was originally called Oak, which would have had a DOS 8.3 '.oak'
extension. 
 
I understand that the default ',java' extension is arbitrary and can be
changed to a compiler recognized 3-char extension such as '.jav', instead.
 
Does anyone know how to change this default '.java' extension to a
3-char one, such as '.jav',  that DOS and SPF/PC could then edit,
compile and run?

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Re: How to change the default '.java' extension to '.jav'?

[Paul Gilmartin]

On Sat, 11 Apr 2020 04:08:43 +0100, CM Poncelet wrote:
> 
>Java was originally called Oak, which would have had a DOS 8.3 '.oak'
>extension. 
> 
>I understand that the default ',java' extension is arbitrary and can be
>changed to a compiler recognized 3-char extension such as '.jav', instead.
> 
>Does anyone know how to change this default '.java' extension to a
>3-char one, such as '.jav',  that DOS and SPF/PC could then edit,
>compile and run?
> 
WTF?  Windows hasn't suffered the 8.3 restriction for many releases now.

-- gil

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How to change the default '.java' extension to '.jav'?

[CM Poncelet]

Greetings everyone,
 
Java was originally called Oak, which would have had a DOS 8.3 '.oak'
extension. 
 
I understand that the default ',java' extension is arbitrary and can be
changed to a compiler recognized 3-char extension such as '.jav', instead.
 
Does anyone know how to change this default '.java' extension to a
3-char one, such as '.jav',  that DOS and SPF/PC could then edit,
compile and run?
 
TIA
 
Chris Poncelet (retired sysprog)

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