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Full Discussion: Waiting a job to finish
Top Forums Shell Programming and Scripting Waiting a job to finish Post 302790985 by Don Cragun on Sunday 7th of April 2013 02:11:12 PM
Old 04-07-2013
Assuming this is referring to the qsub utility that is specified by the POSIX standards (although few implementations provide the optional POSIX Batch Environment Services and Utilities features), wait won't work. The qsub utility submits a job to be executed on a remote server and returns as soon as the job is queued on that server. Normally, the server running the job will send mail to the submitter when the job completes.

There are a few ways to do what I think you're trying to do. One way is to periodically run a qstat command with operands being the job IDs that the calls to the qsub utility returned for the jobs they submitted. You would then have to parse the qstat output to determine when a job completes and at that point kick off another qsub to replace the completed job on that server.

Another way would be to have the last step executed by the job you submit with qsub be another qsub command that will queue a job on the server that submitted the original qsub and have that job kick of a replacement if work remains to be done.
 

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qmsg(1B)								PBS								  qmsg(1B)

NAME
qmsg - send message to pbs batch jobs SYNOPSIS
qmsg [-E] [-O] message_string job_identifier ... DESCRIPTION
To send a message to a job is to write a message string into one or more output files of the job. Typically this is done to leave an informative message in the output of the job. The qmsg command writes messages into the files of jobs by sending a Message Job batch request to the batch server that owns the job. The qmsg command does not directly write the message into the files of the job. OPTIONS
-E Specifies that the message is written to the standard error of each job. -O Specifies that the message is written to the standard output of each job. If neither the -E nor the -O option is specified, the message will be written to the standard error of the job. OPERANDS
The first operand, message_string, is the message to be written. If the string contains blanks, the string must be quoted. If the final character of the string is not a newline, a newline character will be added when written to the job's file. All following operands are job_identifiers which specify the jobs to receive the message string. The qmsg command accepts one or more job_identifier operands of the form: sequence_number[.server_name][@server] STANDARD ERROR
The qmsg command will write a diagnostic message to standard error for each error occurrence. EXIT STATUS
Upon successful processing of all the operands presented to the qmsg command, the exit status will be a value of zero. If the qmsg command fails to process any operand, the command exits with a value greater than zero. SEE ALSO
qsub(1B), pbs_msgjob(3B) Local qmsg(1B)
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