1#!/bin/sh - 2# 3# $NetBSD: zmore,v 1.5 2013/12/06 13:33:15 pettai Exp $ 4# 5# $OpenBSD: zmore,v 1.6 2008/08/20 09:22:02 mpf Exp $ 6# 7#- 8# Copyright (c) 2003 Todd C. Miller <Todd.Miller@courtesan.com> 9# 10# Permission to use, copy, modify, and distribute this software for any 11# purpose with or without fee is hereby granted, provided that the above 12# copyright notice and this permission notice appear in all copies. 13# 14# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 15# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 16# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 17# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 18# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 19# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 20# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 21# 22# Sponsored in part by the Defense Advanced Research Projects 23# Agency (DARPA) and Air Force Research Laboratory, Air Force 24# Materiel Command, USAF, under agreement number F39502-99-1-0512. 25# 26 27# Pull out any command line flags so we can pass them to more/less 28flags= 29while test $# -ne 0; do 30 case "$1" in 31 --) 32 shift 33 break 34 ;; 35 -*) 36 flags="$flags $1" 37 shift 38 ;; 39 *) 40 break 41 ;; 42 esac 43done 44 45if [ `basename $0` = "zless" ] ; then 46 pager=${PAGER-less} 47else 48 pager=${PAGER-more} 49fi 50 51# No files means read from stdin 52if [ $# -eq 0 ]; then 53 gzip -cdfq 2>&1 | $pager $flags 54 exit 0 55fi 56 57oterm=`stty -g 2>/dev/null` 58while test $# -ne 0; do 59 gzip -cdfq "$1" 2>&1 | $pager $flags 60 prev="$1" 61 shift 62 if tty -s && test -n "$oterm" -a $# -gt 0; then 63 #echo -n "--More--(Next file: $1)" 64 echo -n "$prev (END) - Next: $1 " 65 trap "stty $oterm 2>/dev/null" 0 1 2 3 13 15 66 stty cbreak -echo 2>/dev/null 67 REPLY=`dd bs=1 count=1 2>/dev/null` 68 stty $oterm 2>/dev/null 69 trap - 0 1 2 3 13 15 70 echo 71 case "$REPLY" in 72 s) 73 shift 74 ;; 75 e|q) 76 break 77 ;; 78 esac 79 fi 80done 81exit 0 82