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perlsungridengine

Determine if script is running in SGE

How can I determine from a Perl script if it's running through SGE or locally from the command line?

Solution

  • From http://www.cbi.utsa.edu/sge_tutorial:

    When a Sun Grid Engine job is run, a number of variables are preset into the
job’s script environment, as listed below.

SGE_ROOT - The Sun Grid Engine root directory as set for sge_execd before
   start-up or the default /usr/SGE
SGE_CELL - The Sun Grid Engine cell in which the job executes
SGE_JOB_SPOOL_DIR - The directory used by sge_shepherd(8) to store jobrelated
   data during job execution
...
...

    Checking %ENV should tell you if it is run through SGE.