On Sun, Nov 28, 2010 at 08:42:05PM +0100, Jose M Vidal wrote:
> Hi,
> While opening and viewing mutt attachments, mutt is not available
> until I close the attachment app (evince, chrome, etc)
> Is there any way to open attachments while keeping the mutt terminal 
> available?
> Thanks a lot!

I use mutt_bgrun (attached), a script I found on internet. It contains
copyrights notes so I don't repeat them here, just it's not me that
wrote the script. For what I remember with mutt_bgrun I found other
useful scripts.

m.

-- 
Nessuno come me si è creato una società reale evocando delle ombre; al
punto che la vita dei miei ricordi assorbe il sentimento della mia
vita reale.
                                -- René de Chateaubriand, Mémoires d'Outre-tombe
#!/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
#       <[email protected]>
#
# ACKNOWLEDGEMENTS
#       My thanks to the people who have commented on this script and
#       offered solutions to shortcomings and bugs, especially Edmund
#       GRIMLEY EVANS <[email protected]> and Andreas Somogyi
#       <[email protected]>.

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"
) &

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