#!/usr/bin/env bash
#
# $Id$
# Author: Markus Wenzel, TU Muenchen
#
# DESCRIPTION: display document (in DVI format)
PRG="$(basename "$0")"
function usage()
{
echo
echo "Usage: $PRG [OPTIONS] FILE"
echo
echo " Options are:"
echo " -c cleanup -- remove FILE after use"
echo
echo " Display document FILE (in DVI format)."
echo
exit 1
}
function fail()
{
echo "$1" >&2
exit 2
}
## process command line
# options
CLEAN=""
while getopts "c" OPT
do
case "$OPT" in
c)
CLEAN=true
;;
\?)
usage
;;
esac
done
shift $(($OPTIND - 1))
# args
[ "$#" -ne 1 ] && usage
FILE="$1"; shift
## main
[ -f "$FILE" ] || fail "Bad file: $FILE"
if [ -n "$CLEAN" ]; then
PRIVATE_FILE="$ISABELLE_TMP/"$(basename "$FILE" .dvi)$$.dvi
mv "$FILE" "$PRIVATE_FILE" || fail "Cannot move file: $FILE"
$DVI_VIEWER "$PRIVATE_FILE"
rm -f "$PRIVATE_FILE"
else
exec $DVI_VIEWER "$FILE"
fi