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====== The wait builtin command ======
===== Synopsis =====
wait [-f] [-n] [-p VARNAME] [ID...]
===== Description ===== The ''wait'' builtin command is used to wait for job completion and return exit status.
- if ''ID'' is a job specification, it waits for all processes in the pipeline of this job
- waits for a specific job (asynchronous command) and report its exit status if one or more ''ID'' is given
- waits for all running jobs (asynchronous commands)
- waits for "the next" job (''-n'' option)
- waits for termination instead of status change (''-f'' option)
''ID'' may be an operating system process identifier or a shell job specification.
==== Options ====
^ Option ^ Description ^ | ''-n'' | Waits for "the next" child to exit (as opposed to "all children" without this option). Accepts a list of IDs (jobs) | | ''-f'' | Waits for the termination of the given ''ID'' (instead of waiting for a status change only) | | ''-p VARNAME'' | When waiting for a list (-n) or all jobs, writes the job ID to the job that was actually terminated into the variable ''VARNAME'' |
==== Return status ====
The return status is the return status of the job waited for, or
^Status ^Reason ^ |0 |waited for all jobs in shell's job list | |1 |the given ''ID'' is not a valid job or process ID |
===== Examples =====
===== Portability considerations =====
===== See also =====