summaryrefslogtreecommitdiff
path: root/usr.bin/compress/zmore
blob: 0f21517de69bff6783d5305df5b6992ae3ca7721 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
#!/bin/sh
#
# 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.
#

# 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
# XXX - cannot distinguish between gzip or compress, assume gzip
if [ $# -eq 0 ]; then
	compress -cdfgq 2>&1 | ${PAGER-more} $flags
	exit 0
fi

oterm=`stty -g 2>/dev/null`
while test $# -ne 0; do
	compress -cdfq "$1" 2>&1 | ${PAGER-more} $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