1#!/bin/sh
2
3# Bzmore wrapped for bzip2,
4# adapted from zmore by Philippe Troin <phil@fifi.org> for Debian GNU/Linux.
5
6PATH="/usr/bin:$PATH"; export PATH
7
8prog=`echo $0 | sed 's|.*/||'`
9case "$prog" in
10	*less)	more=less	;;
11	*)	more=more       ;;
12esac
13
14if test "`echo -n a`" = "-n a"; then
15  # looks like a SysV system:
16  n1=''; n2='\c'
17else
18  n1='-n'; n2=''
19fi
20oldtty=`stty -g 2>/dev/null`
21if stty -cbreak 2>/dev/null; then
22  cb='cbreak'; ncb='-cbreak'
23else
24  # 'stty min 1' resets eof to ^a on both SunOS and SysV!
25  cb='min 1 -icanon'; ncb='icanon eof ^d'
26fi
27if test $? -eq 0 -a -n "$oldtty"; then
28   trap 'stty $oldtty 2>/dev/null; exit' 0 2 3 5 10 13 15
29else
30   trap 'stty $ncb echo 2>/dev/null; exit' 0 2 3 5 10 13 15
31fi
32
33if test $# = 0; then
34    if test -t 0; then
35	echo usage: $prog files...
36    else
37	bzip2 -cdfq | eval $more
38    fi
39else
40    FIRST=1
41    for FILE
42    do
43	if test $FIRST -eq 0; then
44		echo $n1 "--More--(Next file: $FILE)$n2"
45		stty $cb -echo 2>/dev/null
46		ANS=`dd bs=1 count=1 2>/dev/null`
47		stty $ncb echo 2>/dev/null
48		echo " "
49		if test "$ANS" = 'e' -o "$ANS" = 'q'; then
50			exit
51		fi
52	fi
53	if test "$ANS" != 's'; then
54		echo "------> $FILE <------"
55		bzip2 -cdfq "$FILE" | eval $more
56	fi
57	if test -t; then
58		FIRST=0
59	fi
60    done
61fi
62