From 2f0bc9cd40f709152a0177c8e585c0757e9af9c9 Mon Sep 17 00:00:00 2001
From: Lasse Collin <lasse.collin@tukaani.org>
Date: Mon, 13 Apr 2009 14:49:48 +0300
Subject: Quick & dirty update to support xz in diff/grep/more scripts.

---
 src/scripts/xzmore | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100755 src/scripts/xzmore

(limited to 'src/scripts/xzmore')

diff --git a/src/scripts/xzmore b/src/scripts/xzmore
new file mode 100755
index 00000000..3ff3cbf7
--- /dev/null
+++ b/src/scripts/xzmore
@@ -0,0 +1,74 @@
+#!/bin/sh
+
+# Copyright (C) 2001 Free Software Foundation
+# Copyright (C) 1992, 1993 Jean-loup Gailly
+# Adapted to XZ Utils from gzip-1.3.3 + Red Hat's security patches
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+
+case "$0" in
+  *less) PAGER=less ;;
+esac
+
+if test "`echo -n a`" = "-n a"; then
+  # looks like a SysV system:
+  n1=''; n2='\c'
+else
+  n1='-n'; n2=''
+fi
+oldtty=`stty -g 2>/dev/null`
+if stty -cbreak 2>/dev/null; then
+  cb='cbreak'; ncb='-cbreak'
+else
+  # 'stty min 1' resets eof to ^a on both SunOS and SysV!
+  cb='min 1 -icanon'; ncb='icanon eof ^d'
+fi
+if test $? -eq 0 -a -n "$oldtty"; then
+   trap 'stty $oldtty 2>/dev/null; exit' 0 2 3 5 10 13 15
+else
+   trap 'stty $ncb echo 2>/dev/null; exit' 0 2 3 5 10 13 15
+fi
+
+if test $# = 0; then
+    if test -t 0; then
+	echo usage: zmore files...
+    else
+	xz -dc | eval ${PAGER-more}
+    fi
+else
+    FIRST=1
+    for FILE
+    do
+	< "$FILE" || continue
+	if test $FIRST -eq 0; then
+		echo $n1 "--More--(Next file: $FILE)$n2"
+		stty $cb -echo 2>/dev/null
+		ANS=`dd bs=1 count=1 2>/dev/null`
+		stty $ncb echo 2>/dev/null
+		echo " "
+		if test "$ANS" = 'e' -o "$ANS" = 'q'; then
+			exit
+		fi
+	fi
+	if test "$ANS" != 's'; then
+		echo "------> $FILE <------"
+		xz -dc -- "$FILE" | eval ${PAGER-more}
+	fi
+	if test -t; then
+		FIRST=0
+	fi
+    done
+fi
-- 
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