Perl getpgrp Function
This function returns the process group for the process ID specified by EXPR, or the current process group if none is specified.
Following is the simple syntax for this function:
getpgrp EXPR getpgrp
This function returns process group ID.
Following is the example code showing its basic usage:
#!/usr/bin/perl $pgid = getpgrp(); print "Current process Group ID $pgid\n";
When above code is executed, it produced following result
Current process Group ID 12055