lesspipe

#!/bin/sh
#
# $RuOBSD: lesspipe,v 1.3 2004/04/08 04:57:24 form Exp $
#
# Copyright (c) 2003 Oleg Safiullin <form@pdp-11.org.ru>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice unmodified, this list of conditions, and the following
#    disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#

#
# Script for /usr/bin/less to make it able to display various file formats.
# To use this script set LESSOPEN environment variable to "| lesspipe %s".
#

if [ -z "$1" ]; then
	echo "usage: `/usr/bin/basename $0` file" >&2
	exit 1
fi

if [ ! -r "$1" -a -x /usr/local/bin/lynx ]; then
	[ "${1#https://}" = "$1" ] || exec /usr/local/bin/lynx -dump "$1"
	[ "${1#http://}" = "$1" ] || exec /usr/local/bin/lynx -dump "$1"
	[ "${1#ftp://}" = "$1" ] || exec /usr/local/bin/lynx -dump "$1"
	exit 1
fi

[ -d "$1" ] && exec /bin/ls -Flo "$1"
[ -c "$1" ] && ([ -t 3 ]) 3< "$1" && exec /bin/stty -af "$1"

case "$1" in
	*.tar.gz|*.TAR.GZ|*.tgz|*.TGZ|*.taz|*.TAZ|*.tar.z|*.tar.Z|*.TAR.Z)
		exec /bin/tar tvfz "$1"
		;;
	*.tar.bz2|*.TAR.BZ2|*.tar.bz|*.TAR.BZ|*.tbz|*.TBZ)
		if [ -x /usr/local/bin/bunzip2 ]; then
			exec /usr/local/bin/bunzip2 -c "$1" | /bin/tar tvf -
		fi
		;;
	*.tar|*.TAR)
		exec /bin/tar tvf "$1"
		;;
	*.gz|*.GZ)
		exec /usr/bin/gunzip -c "$1"
		;;
	*.bz2|*.BZ2|*.bz|*.BZ)
		if [ -x /usr/local/bin/bunzip2 ]; then
			exec /usr/local/bin/bunzip2 -c "$1"
		fi
		;;
	*.[1-9]|*.man|*.MAN)
		exec /usr/bin/mandoc "$1"
		;;
	*.zip|*.ZIP)
		if [ -x /usr/local/bin/unzip ]; then
			exec /usr/local/bin/unzip -v "$1"
		fi
		;;
	*.rar|*.RAR)
		if [ -x /usr/local/bin/unrar ]; then
			exec /usr/local/bin/unrar v "$1"
		fi
		;;
	*.a)
		exec /usr/bin/ar tv "$1"
		;;
	*.o|*.so|*.po)
		exec /usr/bin/nm "$1"
		;;
	*.html|*.HTML|*.htm|*.HTM)
		if [ -x /usr/local/bin/lynx ]; then
			exec /usr/local/bin/lynx -dump "$1"
		fi
		;;
esac

exit 0