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#!/bin/sh
# @(#) mutt_octet_view $Revision: 1.1 $
# mutt_octet_view - select octet-stream e-mail attachment viewer
# Copyright (C) 1997,1998,1999,2000 David A Pearson
# Copyright (C) 2000-2001 Gary A. Johnson
#
# 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 of the License, 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.
# Mutt_octet_view is derived from Dave Pearson's mutt.octet.filter
# script (http://www.hagbard.demon.co.uk/archives/mutt.octet.filter).
# Mutt.octet.filter was designed to convert octet-stream e-mail
# attachments to text for use with mutt's auto_view feature.
# Mutt_octet_view extends this capability to use different viewers from
# mutt's attachment menu, including graphical viewers if X is available.
#
# To use mutt_octet_view, put the following lines in your mailcap file:
#
# application/octet-stream; mutt_octet_view -x %s; test=RunningX
# application/octet-stream; mutt_octet_view -v %s
# application/octet-stream; mutt_octet_view %s; copiousoutput
#
# and the following line in your muttrc file:
#
# auto_view application/octet-stream
#
# Mutt_octet_view is not a viewer itself; it only selects external
# viewers based on the attachments' file name suffixes (extensions).
# In addition to any viewers, you will need a copy of the author's
# mutt_bgrun script in order to run X viewers in the background.
#
# Please direct any comments to:
#
# Gary Johnson <garyjohn@spk.agilent.com>
#
ShowTAR()
{
tar tvvf "$1" 2> /dev/null
}
ShowTGZ()
{
tar tzvvf "$1" 2> /dev/null
}
ShowTBZ()
{
bzip2 -dc "$1" | tar -tvv -f- 2> /dev/null
}
ShowGZIP()
{
gzip -dc "$1" 2> /dev/null
}
ShowZIP()
{
unzip -l "$1" 2> /dev/null
}
ShowARJ()
{
unarj l "$1" 2> /dev/null
}
ShowVCard()
{
cat "$1" | mutt.vcard.filter
}
ShowTIF()
{
tiffinfo "$1"
}
ShowObject()
{
nm "$1"
}
ShowHTML()
{
w3m -dump "$1"
}
ShowPDF()
{
pdftotext "$1" -
}
Show()
{
case "$Mode" in
SHOW)
if [ "$2" ]
then
$2 "$1"
elif [ "$3" -o "$4" ]
then
echo "[-- $Prog: file type is unsupported for autoview (use 'v' to view this part) --]"
else
echo "[-- $Prog: file type is unsupported --]"
fi
;;
VIEW)
if [ "$3" ]
then
$3 "$1"
elif [ "$2" ]
then
$2 "$1"
else
echo "$Prog: file type is unsupported" >&2
exit 1
fi
;;
XVIEW)
if [ "$4" ]
then
mutt_bgrun $4 "$1" || $4 "$1"
elif [ "$3" ]
then
$3 "$1"
elif [ "$2" ]
then
$2 "$1"
else
echo "$Prog: file type is unsupported" >&2
exit 1
fi
;;
*) echo "$Prog: internal error: invalid Mode $Mode" >&2
exit 2;;
esac
}
# Initialize variables
Prog=$(basename "$0")
Mode=SHOW
# Check option arguments
while [ $# -gt 0 ]
do
case "$1" in
-t) Mode=SHOW; shift;;
-v) Mode=VIEW; shift;;
-x) Mode=XVIEW; shift;;
-*) echo "$Prog: invalid option $1" >&2; exit 2;;
*) break;;
esac
done
# Check file argument
if [ $# -ne 1 ]
then
echo "usage: $Prog [-t|-v|-x] file"
exit 2
fi
File=$1
# Process file
# The behavior of mutt_octet_view is governed primarily by the 'Show'
# function, the option argument, and the table below. 'Show' searches
# its arguments for a command that it can use to display File. It
# begins in the table column specified by the option argument -t (the
# default), -v or -x, and searches to the left until it finds a command
# (non-empty string), which it executes. Commands in the right-most
# column are executed in the background and are left to handle their own
# output. Commands in the other two columns are executed in the
# foreground and send their output to stdout.
#
# Here are some examples.
#
# Autoview Text View X View
# (from (from (from
# index attachment attachment
# menu, menu, menu,
# in-line) foreground) background)
# (-t) (-v) (-x)
# ----------- ----------- -----------
# Func1 "" "" Func1 will be used to display
# file in all cases. This is
# useful when all that is
# required to display the file is
# a simple text transformation.
#
# "" Func2 "" The file will not be displayed
# in the pager output from the
# index menu. Func2 will be used
# to display the file from the
# attachment menu. This is
# useful when the file is to be
# displayed as text, but is not
# normally desired to view it
# along with the rest of the
# message.
#
# "" "" Func3 The file contains graphical
# material that cannot be viewed
# as text. Func3 will be used to
# display the file only from the
# attachment menu and only when X is
# available. Func3 will be run in
# the background so that the user
# can continue to use the mailer
# while the file is displayed.
#
# "" Func2 Func3 The file contents are not
# displayed in-line along with
# the rest of the message because
# the file is typically large.
# Func2 has only text output and
# is used when only a terminal is
# available for output. Func3
# produces a nicer display when X
# is available.
case "$File" in
# Autoview Text View X View
# (from (from (from
# index attachment attachment
# menu, menu, menu,
# in-line) foreground) background)
# (-t) (-v) (-x)
# ----------- ----------- -------------
*.arj | *.ARJ ) Show "$File" "" ShowARJ "" ;;
*.doc | *.DOC ) Show "$File" word2text word2text qvpview ;;
*.gif | *.GIF ) Show "$File" "" "" xv ;;
*.htm | *.HTM ) Show "$File" ShowHTML w3m mutt_netscape ;;
*.html | *.HTML ) Show "$File" ShowHTML w3m mutt_netscape ;;
*.jpeg | *.JPEG ) Show "$File" "" "" xv ;;
*.jpg | *.JPG ) Show "$File" "" "" xv ;;
*.log | *.LOG ) Show "$File" cat less "" ;;
*.o ) Show "$File" "" ShowObject "" ;;
*.pdf | *.PDF ) Show "$File" "" ShowPDF acroread ;;
*.ppt | *.PPT ) Show "$File" "" "" qvpview ;;
*.ps | *.PS ) Show "$File" "" "" ghostview ;;
*.rtf | *.RTF ) Show "$File" "" rtf2text qvpview ;;
*.tar ) Show "$File" "" ShowTAR "" ;;
*.tar.bz2 ) Show "$File" "" ShowTBZ "" ;;
*.tar.gz ) Show "$File" "" ShowTGZ "" ;;
*.tar.Z ) Show "$File" "" ShowTGZ "" ;;
*.tar.z ) Show "$File" "" ShowTGZ "" ;;
*.tbz2 ) Show "$File" "" ShowTBZ "" ;;
*.tgz ) Show "$File" "" ShowTGZ "" ;;
*.tif | *.TIF ) Show "$File" "" ShowTIF xv ;;
*.txt | *.TXT ) Show "$File" cat less "" ;;
*.url | *.URL ) Show "$File" cat w3m "" ;;
*.vcf ) Show "$File" "" ShowVCard "" ;;
*.xls | *.XLS ) Show "$File" excel2text excel2text qvpview ;;
*.Z ) Show "$File" "" ShowGZIP "" ;;
*.z ) Show "$File" "" ShowGZIP "" ;;
*.zip | *.ZIP ) Show "$File" "" ShowZIP "" ;;
*.gz ) Show "$File" "" ShowGZIP "" ;;
# The *.gz entry must follow any other entries ending in
# .gz.
* ) echo "$Prog: file type is unsupported" >&2; exit 1 ;;
esac
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