That's only partially correct.
The capture log file is put into _PH_ in the account that you originally logged
in to. If you change accounts with LOGTO you will need to use the @ACCOUNT
variable to find the original account path.
The capture file name (on my windows system) is Z_nnnuuuu where uuuu is your
pid (@userno). The pid does not appear to be padded, so can be any length. nnn
appears to be the @LEVEL of the program that does the execute with capturing.
So if you have program1 execute program2 which executes program3 with
capturing, you will have a file Z_001uuuu open during program3. If program1
executes program2 with capturing, which executes program3, you will have
Z_000uuuu open during program2 and program3. If you nest more levels and have
more than 1 program execute with capture, then you have 2 capture files.
unidata doesn't allow more than 2 captures at a time.
So to find out if you were capturing, you would have to look in the original
account's _PH_, and either select ids like Z_3npid, or loop and read for n=0 to
@level-1. That could potentially be a lot of overhead on a live system where
there are lots of captures going on. Or maybe not since most programs don't
nest too deeply, and you only need to check for the file when you need to know.
Are you on windows or on something else? If you aren't on windows, you could
maybe open the tty device directly and write to it rather than using crt. I
think that would go to the screen.
On Jun 26, 2012, at 1:23 PM, Symeon Breen wrote:
>> From experimentation on unidata on linux, if you execute something with
> capturing it creates an entry in _PH_ of Z_{pid} the pid is zero filled to
> 8 digits e.g. _PH_/Z_00022141
>
>
>
>
> -----Original Message-----
> From: u2-users-boun...@listserver.u2ug.org
> [mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of David A. Green
> Sent: 26 June 2012 15:01
> To: 'U2 Users List'
> Subject: Re: [U2] Is there any way to tell if I am in an EXECUTE level
> andCAPTURING is turned on?
>
> How about creating a COMMON variable that the program can set before
> executing the command with a CAPTURING clause?
>
> David A. Green
> (480) 813-1725
> DAG Consulting
>
> -----Original Message-----
> From: u2-users-boun...@listserver.u2ug.org
> [mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of Doug Farmer
> Sent: Friday, June 22, 2012 6:49 AM
> To: U2 Users List
> Subject: Re: [U2] Is there any way to tell if I am in an EXECUTE level
> andCAPTURING is turned on?
>
> UniData
>
> Looks like there is no easy solution. Messages are shown in a generic
> subroutine and I do not want to do a lot of IO or CPU time to determine if
> CAPTURING is on. The subroutine is called thousands of times a day for a
> user. For the few times this has happened over the years, I guess I will
> just fix the problems when they come up.
>
> Thanks everyone for their input.
>
> Doug
>
>
> -----Original Message-----
> From: u2-users-boun...@listserver.u2ug.org
> [mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of Ed Clark
> Sent: Thursday, June 21, 2012 5:22 PM
> To: U2 Users List
> Subject: Re: [U2] Is there any way to tell if I am in an EXECUTE level
> andCAPTURING is turned on?
>
> universe or unidata? I don't have a full answer either way, but I seem to
> recall that unidata holds CAPTURING output in a temporary file. Maybe that
> file can be checked for.
>
> On Jun 21, 2012, at 10:08 AM, Doug Farmer wrote:
>
>> I just had a situation where a program was printing an error message
>> and waiting for the user to respond by pressing Enter. But, the
>> program was being executed by another program using the CAPTURING
> option.
>>
>> Is there any way someone knows of to tell if the CAPTURING option is
> on?
>> If so, I can write the error message to a log file instead of
>> displaying it and waiting for a response.
>>
>> I looked at all the SYSTEM(xx) options and do not see anything there.
>>
>> Thanks in Advance
>>
>> Doug
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