mirror of https://gitee.com/openkylin/bzip2.git
62 lines
1.3 KiB
Bash
62 lines
1.3 KiB
Bash
#!/bin/sh
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# Bzmore wrapped for bzip2,
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# adapted from zmore by Philippe Troin <phil@fifi.org> for Debian GNU/Linux.
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PATH="/usr/bin:$PATH"; export PATH
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prog=`echo $0 | sed 's|.*/||'`
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case "$prog" in
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*less) more=less ;;
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*) more=more ;;
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esac
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if test "`echo -n a`" = "-n a"; then
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# looks like a SysV system:
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n1=''; n2='\c'
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else
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n1='-n'; n2=''
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fi
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oldtty=`stty -g 2>/dev/null`
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if stty -cbreak 2>/dev/null; then
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cb='cbreak'; ncb='-cbreak'
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else
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# 'stty min 1' resets eof to ^a on both SunOS and SysV!
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cb='min 1 -icanon'; ncb='icanon eof ^d'
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fi
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if test $? -eq 0 && test -n "$oldtty"; then
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trap 'stty $oldtty 2>/dev/null; exit' 0 INT QUIT TRAP USR1 PIPE TERM
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else
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trap 'stty $ncb echo 2>/dev/null; exit' 0 INT QUIT TRAP USR1 PIPE TERM
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fi
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if test $# = 0; then
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if test -t 0; then
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echo usage: $prog files...
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else
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bzip2 -cdfq | eval $more
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fi
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else
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FIRST=1
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for FILE
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do
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if test $FIRST -eq 0; then
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echo $n1 "--More--(Next file: $FILE)$n2"
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stty $cb -echo 2>/dev/null
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ANS=`dd bs=1 count=1 2>/dev/null`
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stty $ncb echo 2>/dev/null
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echo " "
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if test "$ANS" = 'e' || test "$ANS" = 'q'; then
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exit
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fi
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fi
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if test "$ANS" != 's'; then
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echo "------> $FILE <------"
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bzip2 -cdfq "$FILE" | eval $more
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fi
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if test -t; then
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FIRST=0
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fi
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done
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fi
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