tangetools/pidcmd/pidcmd

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#!/bin/bash
: <<=cut
=pod
=head1 NAME
pidcmd - Show the command run by a pid
=head1 SYNOPSIS
B<pidcmd> I<pid>
=head1 DESCRIPTION
B<pidcmd> show the command run by a pid. It is a bit similar to:
ps aux | grep pid
but it avoid false positives (if I<pid> matches a part of another
line).
=head1 EXAMPLE
Show the command for pid 1
pidcmd 1
=head1 AUTHOR
Copyright (C) 2019 Ole Tange,
http://ole.tange.dk and Free Software Foundation, Inc.
=head1 LICENSE
Copyright (C) 2012 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
at your option any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
=head1 DEPENDENCIES
B<pidcmd> uses B</proc/*/cmdline>.
=head1 SEE ALSO
B<ps>
=cut
cat /proc/$1/cmdline | xargs -0