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Shell Programming and Scripting
Wait functionality in Solaris
Post 302815769 by Rahul619 on Sunday 2nd of June 2013 12:46:33 AM
06-02-2013
Wait functionality in Solaris
hi all ,
If pid is not an active process ID, the wait utility will return immediately and the return code will be 0.
i just came across this which means that wait will returm 0 even though the script has failed
so can anyone tell me what is the exact way to get the return status from wait command in bash script ?
If pid is not an active process ID, the wait utility will return immediately and the return code will be 0.
i just came across this which means that wait will returm 0 even though the script has failed
so can anyone tell me what is the exact way to get the return status from wait command in bash script ?|
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wait
wait(1) General Commands Manual wait(1) NAME
wait - await process completion SYNOPSIS
[pid] DESCRIPTION
If no argument is specified, waits until all processes (started with of the current shell have completed, and reports on abnormal termina- tions. If a numeric argument pid is given and is the process ID of a background process, waits until that process has completed. Other- wise, if pid is not a background process, exits without waiting for any processes to complete. Because the system call must be executed in the parent process, the shell itself executes without creating a new process (see wait(2)). Command-Line Arguments supports the following command line arguments: The unsigned decimal integer process ID of a command, whose termination is to wait for. WARNINGS
Some processes in a 2-or-more-stage pipeline may not be children of the shell, and thus cannot be waited for. SEE ALSO
csh(1), ksh(1), sh-posix(1), sh(1), wait(2). STANDARDS CONFORMANCE
wait(1)