examples/scripts/zprintf

#! /bin/bash
#
# zprintf - function that calls gawk to do printf for those systems that
#	    don't have a printf executable
#
# The format and arguments can have trailing commas, just like gawk
#
# example:
#	zprintf 'Eat %x %x and suck %x!\n' 57005 48879 64206
#
# Chet Ramey
# chet@po.cwru.edu

#  Copyright 1996 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.


[ $# -lt 1 ] && {
	echo "zprintf: usage: zprintf format [args ...]" >&2
	exit 2
}

fmt="${1%,}"
shift

for a in "$@"; do
	args="$args,\"${a%,}\""
done

gawk "BEGIN { printf \"$fmt\" $args }"