Re: [go-nuts] Re: best way to know executable version without running it

2020-08-19 Thread 'Axel Wagner' via golang-nuts 
AIUI, the version number output by `consul version` is not specified by Go,
but by the consul source itself. As far as Go is concerned, it's just be a
string constant (or maybe even a dynamically assembled string from integer
constants or Anything really). As such, there is no really reliable way
to do what you want.

Go provides version information via the `go version -m` command pointed out
by others - as long as the binary is built using modules, which is the only
case *Go* knows anything about versions at all. If that doesn't work for
you, I don't think there is anything as far as Go is concerned.

On Wed, Aug 19, 2020, 10:36 thatipelli santhosh <
santhoshthatipelli...@gmail.com> wrote:

> Hi Guys
>
> Thank you for your response.
>
> Consul is go executable. I can get version using /bin/consul version
> command but I need to find the version using string search in executable
> file data.
>
>
> I noticed some pattern in executables
>
> 1.8.312345156252160h3100043191500ms781258760h94105:***@ => 1.8.3
>
> 1.8.212345156252160h3100043191500ms781258760h94105:***@ => 1.8.2
>
> 1.8.112345156252160h3100043191500ms781258760h94105:***@ => 1.8.1
>
> 1.8.012345156252160h3100043191500ms781258760h94105:***@
>
> 1.7.712345156252160h3100043191500ms781258760h94105:***@
>
> 1.7.612345156252160h3100043191500ms781258760h94105:***@
>
> 1.7.412345156252160h3100043191500ms781258760h94105:***@
>
> 1.7.312345156252160h3100043191500ms781258760h94105:***@
>
> 1.7.212345156252160h3100043191500ms781258760h94105:***@
>
> 1.6.812345156252160h3100043191500ms781258760h94105:***@
>
>
> the first 3 digits are version number in above strings which we found them
> executable but I don't find this string in all versions of consul
>
>
> So does go use any specific delimiter before or after adding version
> numbers in executable file (compiled file)?
>
> do you have any idea to get version number from go executable without
> executing it which is common for all?
>
> Note: Attached screenshot method is not working for all versions
>
>
>
> On Thu, Aug 13, 2020 at 6:35 PM Sathish VJ  wrote:
>
>> Maybe you are asking how to get build version information into the
>> executable.  If yes, then use -ldflags.
>> https://pmcgrath.net/include-version-information-in-golang-app
>>
>> On Thursday, 13 August 2020 at 15:12:36 UTC+5:30 seank...@gmail.com
>> wrote:
>>
>>> go version -m 
>>>
>>> On Thursday, August 13, 2020 at 10:30:56 AM UTC+2
>>> santhoshth...@gmail.com wrote:
>>>
 Hi All,

 What is best way to know a executable version without executing it
 through golang?

 I tried with reading the executable file through a scanner and matching
 every line with regex (like ngnix regx) but this is not working for all
 executables.

 Do you have any idea?

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>> 
>> .
>>
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> 
> .
>

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Re: [go-nuts] Re: best way to know executable version without running it

2020-08-19 Thread thatipelli santhosh 
Hi Guys

Thank you for your response.

Consul is go executable. I can get version using /bin/consul version
command but I need to find the version using string search in executable
file data.


I noticed some pattern in executables

1.8.312345156252160h3100043191500ms781258760h94105:***@ => 1.8.3

1.8.212345156252160h3100043191500ms781258760h94105:***@ => 1.8.2

1.8.112345156252160h3100043191500ms781258760h94105:***@ => 1.8.1

1.8.012345156252160h3100043191500ms781258760h94105:***@

1.7.712345156252160h3100043191500ms781258760h94105:***@

1.7.612345156252160h3100043191500ms781258760h94105:***@

1.7.412345156252160h3100043191500ms781258760h94105:***@

1.7.312345156252160h3100043191500ms781258760h94105:***@

1.7.212345156252160h3100043191500ms781258760h94105:***@

1.6.812345156252160h3100043191500ms781258760h94105:***@


the first 3 digits are version number in above strings which we found them
executable but I don't find this string in all versions of consul


So does go use any specific delimiter before or after adding version
numbers in executable file (compiled file)?

do you have any idea to get version number from go executable without
executing it which is common for all?

Note: Attached screenshot method is not working for all versions



On Thu, Aug 13, 2020 at 6:35 PM Sathish VJ  wrote:

> Maybe you are asking how to get build version information into the
> executable.  If yes, then use -ldflags.
> https://pmcgrath.net/include-version-information-in-golang-app
>
> On Thursday, 13 August 2020 at 15:12:36 UTC+5:30 seank...@gmail.com wrote:
>
>> go version -m 
>>
>> On Thursday, August 13, 2020 at 10:30:56 AM UTC+2 santhoshth...@gmail.com
>> wrote:
>>
>>> Hi All,
>>>
>>> What is best way to know a executable version without executing it
>>> through golang?
>>>
>>> I tried with reading the executable file through a scanner and matching
>>> every line with regex (like ngnix regx) but this is not working for all
>>> executables.
>>>
>>> Do you have any idea?
>>>
>> --
> You received this message because you are subscribed to the Google Groups
> "golang-nuts" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to golang-nuts+unsubscr...@googlegroups.com.
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> https://groups.google.com/d/msgid/golang-nuts/eac6fad2-edcf-47c2-8b0e-e1f2d2dd6d56n%40googlegroups.com
> 
> .
>

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[go-nuts] Re: best way to know executable version without running it

2020-08-13 Thread Sathish VJ 
Maybe you are asking how to get build version information into the 
executable.  If yes, then use -ldflags.  
https://pmcgrath.net/include-version-information-in-golang-app

On Thursday, 13 August 2020 at 15:12:36 UTC+5:30 seank...@gmail.com wrote:

> go version -m 
>
> On Thursday, August 13, 2020 at 10:30:56 AM UTC+2 santhoshth...@gmail.com 
> wrote:
>
>> Hi All,
>>
>> What is best way to know a executable version without executing it 
>> through golang?
>>
>> I tried with reading the executable file through a scanner and matching 
>> every line with regex (like ngnix regx) but this is not working for all 
>> executables.
>>
>> Do you have any idea?
>>
>

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[go-nuts] Re: best way to know executable version without running it

2020-08-13 Thread seank...@gmail.com 
go version -m 

On Thursday, August 13, 2020 at 10:30:56 AM UTC+2 santhoshth...@gmail.com 
wrote:

> Hi All,
>
> What is best way to know a executable version without executing it through 
> golang?
>
> I tried with reading the executable file through a scanner and matching 
> every line with regex (like ngnix regx) but this is not working for all 
> executables.
>
> Do you have any idea?
>

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