Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== The wait builtin command ====== ===== Synopsis ===== <code>wait [-f] [-n] [-p VARNAME] [ID...]</code> ===== 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 ===== commands/builtin/wait.txt Last modified: 2020/06/28 06:56by thebonsai