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