examples/functions/func

#
# func -- print out definitions for functions named by arguments
#
# usage: func name [name ...]
#
#  Chet Ramey <chet.ramey@case.edu>
#
#  Copyright 1991 Chester Ramey
#
#   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 2, or (at your option)
#   any later version.
#
#   TThis 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, write to the Free Software Foundation,
#   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

func()
{
	local status=0

	if [ $# -eq 0 ] ; then
		echo "usage: func name [name...]" 1>&2
		return 1
	fi

	for f
	do
		if [ "$(builtin type -type $f)" != "function" ] ; then
			echo "func: $f: not a function" 1>&2
			status=1	# one failed
			continue
		fi
		builtin type $f | sed 1d
	done
	return $status
}