procexists - see if process exists

 

SYNOPSIS

<procexists $pid>


DESCRIPTION
For each process id in $pid, the procexists function returns 1 if the process exists, 0 if not.


DIAGNOSTICS
The procexists function returns 1 if the process exists, or 0 if not, for each $pid.


CAVEATS
The procexists function was added in version 2.1.900900000 19980720.

Although a process id is unique among currently-running processes, it may be re-used eventually once a process exits.


SEE ALSO
sysinfo, getpid, kill


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