[apple/file_cmds.git] / gzip / zmore

#!/bin/sh -
#
# $NetBSD: zmore,v 1.3 2004/03/29 09:59:42 wiz Exp $
# $OpenBSD: zmore,v 1.4 2003/07/29 07:42:45 otto Exp $
#
#-
# Copyright (c) 2003 Todd C. Miller <Todd.Miller@courtesan.com>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# Sponsored in part by the Defense Advanced Research Projects
# Agency (DARPA) and Air Force Research Laboratory, Air Force
# Materiel Command, USAF, under agreement number F39502-99-1-0512.
#
# $FreeBSD: src/usr.bin/gzip/zmore,v 1.1 2007/01/26 10:19:07 delphij Exp $

if [ "$0" = "zless" ]; then
zpager="less"
else
zpager="more"
fi

# Pull out any command line flags so we can pass them to more/less
flags=
while test $# -ne 0; do
	case "$1" in
		--)
			shift
			break
			;;
		-*)
			flags="$flags $1"
			shift
			;;
		*)
			break
			;;
	esac
done

# No files means read from stdin
if [ $# -eq 0 ]; then
	gzip -cdfq 2>&1 | ${PAGER-${zpager}} $flags
	exit 0
fi

oterm=`stty -g 2>/dev/null`
while test $# -ne 0; do
	gzip -cdfq "$1" 2>&1 | ${PAGER-${zpager}} $flags
	prev="$1"
	shift
	if tty -s && test -n "$oterm" -a $# -gt 0; then
		#echo -n "--More--(Next file: $1)"
		echo -n "$prev (END) - Next: $1 "
		trap "stty $oterm 2>/dev/null" 0 1 2 3 13 15
		stty cbreak -echo 2>/dev/null
		REPLY=`dd bs=1 count=1 2>/dev/null`
		stty $oterm 2>/dev/null
		trap - 0 1 2 3 13 15
		echo
		case "$REPLY" in
			s)
				shift
				;;
			e|q)
				break
				;;
		esac
	fi
done
exit 0
Commit	Line	Data
00337e45 A	1	#!/bin/sh -
	2	#
	3	# $NetBSD: zmore,v 1.3 2004/03/29 09:59:42 wiz Exp $
	4	# $OpenBSD: zmore,v 1.4 2003/07/29 07:42:45 otto Exp $
	5	#
	6	#-
	7	# Copyright (c) 2003 Todd C. Miller <Todd.Miller@courtesan.com>
	8	#
	9	# Permission to use, copy, modify, and distribute this software for any
	10	# purpose with or without fee is hereby granted, provided that the above
	11	# copyright notice and this permission notice appear in all copies.
	12	#
	13	# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	14	# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	15	# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	16	# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	17	# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	18	# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	19	# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	20	#
	21	# Sponsored in part by the Defense Advanced Research Projects
	22	# Agency (DARPA) and Air Force Research Laboratory, Air Force
	23	# Materiel Command, USAF, under agreement number F39502-99-1-0512.
	24	#
	25	# $FreeBSD: src/usr.bin/gzip/zmore,v 1.1 2007/01/26 10:19:07 delphij Exp $
	26
	27	if [ "$0" = "zless" ]; then
	28	zpager="less"
	29	else
	30	zpager="more"
	31	fi
	32
	33	# Pull out any command line flags so we can pass them to more/less
	34	flags=
	35	while test $# -ne 0; do
	36	case "$1" in
	37	--)
	38	shift
	39	break
	40	;;
	41	-*)
	42	flags="$flags $1"
	43	shift
	44	;;
	45	*)
	46	break
	47	;;
	48	esac
	49	done
	50
	51	# No files means read from stdin
	52	if [ $# -eq 0 ]; then
	53	gzip -cdfq 2>&1 \| ${PAGER-${zpager}} $flags
	54	exit 0
	55	fi
	56
	57	oterm=`stty -g 2>/dev/null`
	58	while test $# -ne 0; do
	59	gzip -cdfq "$1" 2>&1 \| ${PAGER-${zpager}} $flags
	60	prev="$1"
	61	shift
	62	if tty -s && test -n "$oterm" -a $# -gt 0; then
	63	#echo -n "--More--(Next file: $1)"
	64	echo -n "$prev (END) - Next: $1 "
65	trap "stty $oterm 2>/dev/null" 0 1 2 3 13 15
66	stty cbreak -echo 2>/dev/null
67	REPLY=`dd bs=1 count=1 2>/dev/null`
68	stty $oterm 2>/dev/null
69	trap - 0 1 2 3 13 15
70	echo
71	case "$REPLY" in
72	s)
73	shift
74	;;
75	e\|q)
76	break
77	;;
78	esac
79	fi
80	done
81	exit 0