Re: [HTCondor-users] shell pipe/cmd-chain as job command/argument in python bindings

[Thomas Hartmann <thomas.hartmann@xxxxxxx>]

ah, OK - no problem, a script should be fine (hoped that I could be 
extra lazy)

Cheers and thanks,
  Thomas

On 03/03/2021 16.13, John M Knoeller wrote:
> Hi Thomas,  sorry to say but a short script is the only way to go here.
>
> The && doesn't work when we try and pass it to /usr/bin/bash as an 
> argument.
>
> This works interactively because the shell you are using to run the 
> command does not pass && down
> to the program being started, but treats the && and what comes after as 
> a command to itself.
>
> -tj
>
> ------------------------------------------------------------------------
> *From:* HTCondor-users <htcondor-users-bounces@xxxxxxxxxxx> on behalf of 
> Thomas Hartmann <thomas.hartmann@xxxxxxx>
> *Sent:* Wednesday, March 3, 2021 4:53 AM
> *To:* HTCondor-Users Mail List <htcondor-users@xxxxxxxxxxx>
> *Subject:* [HTCondor-users] shell pipe/cmd-chain as job command/argument 
> in python bindings
> Hi all,
>
> I just tried to submit a quick job with the Python bindings, where I
> attempted to run just a few shell commands. I juggled a bit with the
> position of the execs in the `Cmd` and `Args` keys - but all failed [1]
>
> So, I tried to wrap the &&-chained commands into one string-argument and
> use the shell as executable [2] (not the most elegant approach...).
> However, it also failed for me :-/
> (I guss the behaviour is similar for submissions through the CLI)
>
> Is there a way to get it running - or is a short script the only way to
> go...?
>
> Cheers,
>     Thomas
>
>
>
> [1]
>       jobAd["Cmd"] = '/usr/bin/env'
>       jobAd["Args"] = '&& /usr/bin/cat .job.ad && echo "FOO" '
>       schedd.submit(job_ad)
>
> which actually cat'ed me `echo` - I guess the shell interpretation of
> operators like `&&` is not possible here, or?
>
>
>
> [2]
>       jobAd["Cmd"] = '/usr/bin/bash'
>       jobAd["Args"] = '-c "/usr/bin/cat .job.ad && /usr/bin/echo \FOO\"" '
>
>
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