This is checkbashisms, from the Debian devscripts package, version 2.16.2ubuntu3 This code is copyright 2003 by Julian Gilbey <jdg@debian.org>, based on original code which is copyright 1998 by Richard Braakman and copyright 2002 by Josip Rodin. This program comes with ABSOLUTELY NO WARRANTY. You are free to redistribute this code under the terms of the GNU General Public License, version 2, or (at your option) any later version.

Usage: checkbashisms [-n] [-f] [-x] script ... or: checkbashisms --help or: checkbashisms --version This script performs basic checks for the presence of bashisms in /bin/sh scripts and the lack of bashisms in /bin/bash ones.