114 lines
3.7 KiB
Bash
Executable file
114 lines
3.7 KiB
Bash
Executable file
#!/bin/sh
|
|
# @(#) mutt_bgrun $Revision: 1.4 $
|
|
|
|
# mutt_bgrun - run an attachment viewer from mutt in the background
|
|
# Copyright (C) 1999-2002 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.
|
|
|
|
# SYNOPSIS
|
|
# mutt_bgrun viewer [viewer options] file
|
|
#
|
|
# DESCRIPTION
|
|
# Mutt invokes external attachment viewers by writing the
|
|
# attachment to a temporary file, executing the pipeline specified
|
|
# for that attachment type in the mailcap file, waiting for the
|
|
# pipeline to terminate, writing nulls over the temporary file,
|
|
# then deleting it. This causes problems when using graphical
|
|
# viewers such as qvpview and acroread to view attachments.
|
|
#
|
|
# If qvpview, for example, is executed in the foreground, the mutt
|
|
# user interface is hung until qvpview exits, so the user can't do
|
|
# anything else with mutt until he or she finishes reading the
|
|
# attachment and exits qvpview. This is especially annoying when
|
|
# a message contains several MS Office attachments--one would like
|
|
# to have them all open at once.
|
|
#
|
|
# If qvpview is executed in the background, it must be given
|
|
# enough time to completely read the file before returning control
|
|
# to mutt, since mutt will then obliterate the file. Qvpview is
|
|
# so slow that this time can exceed 20 seconds, and the bound is
|
|
# unknown. So this is again annoying.
|
|
#
|
|
# The solution provided here is to invoke the specified viewer
|
|
# from this script after first copying mutt's temporary file to
|
|
# another temporary file. This script can then quickly return
|
|
# control to mutt while the viewer can take as much time as it
|
|
# needs to read and render the attachment.
|
|
#
|
|
# EXAMPLE
|
|
# To use qvpview to view MS Office attachments from mutt, add the
|
|
# following lines to mutt's mailcap file.
|
|
#
|
|
# application/msword; mutt_bgrun qvpview %s
|
|
# application/vnd.ms-excel; mutt_bgrun qvpview %s
|
|
# application/vnd.ms-powerpoint; mutt_bgrun qvpview %s
|
|
#
|
|
# AUTHOR
|
|
# Gary A. Johnson
|
|
# <garyjohn@spk.agilent.com>
|
|
#
|
|
# ACKNOWLEDGEMENTS
|
|
# My thanks to the people who have commented on this script and
|
|
# offered solutions to shortcomings and bugs, especially Edmund
|
|
# GRIMLEY EVANS <edmundo@rano.org> and Andreas Somogyi
|
|
# <aso@somogyi.nu>.
|
|
|
|
prog=${0##*/}
|
|
|
|
# Check the arguments first.
|
|
|
|
if [ "$#" -lt "2" ]
|
|
then
|
|
echo "usage: $prog viewer [viewer options] file" >&2
|
|
exit 1
|
|
fi
|
|
|
|
# Separate the arguments. Assume the first is the viewer, the last is
|
|
# the file, and all in between are options to the viewer.
|
|
|
|
viewer="$1"
|
|
shift
|
|
|
|
while [ "$#" -gt "1" ]
|
|
do
|
|
options="$options $1"
|
|
shift
|
|
done
|
|
|
|
file=$1
|
|
|
|
# Create a temporary directory for our copy of the temporary file.
|
|
#
|
|
# This is more secure than creating a temporary file in an existing
|
|
# directory.
|
|
|
|
tmpdir=/tmp/$LOGNAME$$
|
|
umask 077
|
|
mkdir "$tmpdir" || exit 1
|
|
tmpfile="$tmpdir/${file##*/}"
|
|
|
|
# Copy mutt's temporary file to our temporary directory so that we can
|
|
# let mutt overwrite and delete it when we exit.
|
|
|
|
cp "$file" "$tmpfile"
|
|
|
|
# Run the viewer in the background and delete the temporary files when done.
|
|
|
|
(
|
|
"$viewer" $options "$tmpfile"
|
|
rm -f "$tmpfile"
|
|
rmdir "$tmpdir"
|
|
) &
|