freebsd-ports/devel/p5-Proc-Simple/pkg-descr

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The Proc::Simple package provides objects that model real-
life processes from a user's point of view. A new process
object is created by
$myproc = Proc::Simple->new();
Either shell-like command lines or references to perl
subroutines can be specified for launching a process in
background. A 10-second sleep process, for example, can
be started via the shell as
$myproc->start("sleep 10");
or, as a perl subroutine, with
$myproc->start(sub { sleep(10); });