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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 (at] 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
     25 flags=
     26 while 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
     40 done
     41 
     42 # No files means read from stdin
     43 if [ $# -eq 0 ]; then
     44 	compress -cdfq 2>&1 | ${PAGER-more} $flags
     45 	exit 0
     46 fi
     47 
     48 oterm=`stty -g 2>/dev/null`
     49 while 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
     71 done
     72 exit 0
     73