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#!/bin/sh
# This script can be invoked as a wrapper for an external viewer by lynx, e.g.,
# given this line in lynx.cfg
# XLOADIMAGE_COMMAND:keepviewer xli %s &
# it will invoke xli on a hardlink to the file (which is assumed to be in the
# temporary directory created by lynx), and clean up when the viewer exits.
#
# Parameters:
# $1 is viewer
# $2 is filename
if test $# = 2 ; then
chmod 600 $2
myfile=`echo $2 | sed -e 's@\(.*/tmp/\)\([^/]*/\)\?\(.*\)@\1my\3@'`
ln $2 $myfile || exit 1
trap "rm -f $myfile" 0 1 2 5 15
eval $1 $myfile
else
echo "Usage: keepviewer <viewer> <filename>"
exit 1
fi
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