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Alert for long running commands in script

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# 1  
Old 04-15-2010
Alert for long running commands in script
Hi All,

Is there a way in which a long running command can terminate by itself inside a script? I need something like below:

echo Start
<command>
exit

If the <command> is taking more than say 100 seconds to complete, the script should exit without manual intervention.

Thanks,
Deepak
# 2  
Old 04-15-2010
Hi.
Quote:
Originally Posted by deepakgang
... Is there a way in which a long running command can terminate by itself inside a script? ...
Yes, provided you are using a shell and system that allows limit control. For example, in bash:
Code:
ulimit: ulimit [-SHacdfilmnpqstuvx] [limit]
    Ulimit provides control over the resources available to processes
    started by the shell, on systems that allow such control.  If an
    option is given, it is interpreted as follows:
    
        -S      use the `soft' resource limit
        -H      use the `hard' resource limit
        -a      all current limits are reported
        -c      the maximum size of core files created
...
        -t      the maximum amount of cpu time in seconds
...

-- excerpt from man bash

Best wishes ... cheers, drl
# 3  
Old 04-16-2010
or, put the command in background. Wait for X seconds, and check whether it is completed, else kill it.
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