#!/bin/bash
#
# Syntax:  xdl [-h]
#
# Purpose: Shows the most recently changed .dvi file in the
#          current directory.
#          The -h flag shows the help info for this command.

# Created: Oct 19, 1998       by Bart De Schutter
# Last revised: Jul 30, 2007  by Bart De Schutter
#
# See http://www.deschutter.info/util/scripts.html for the latest version of
# this script.

# Status: public
# Category: latex

if [  $# -ge 1   -a   "$1" = "-h"  ];
then
   sed '/^$/q;/^#!/d;s/^# //;s/^#//' $0 >&2
   exit 1
fi

shopt -q -s expand_aliases  # OK, necessary in case xdvi is an alias.

if [ $# -ne 0 ];
then 
   echo >&2
   echo >&2 "ERROR: ${0##*/} requires no input arguments."
   echo >&2
   sed '/^$/q;/^#!/d;s/^# //;s/^#//' $0 >&2
   exit 1
fi

dvifile=$((ls -t *.dvi | head -n 1) 2>/dev/null)

if [ -n "$dvifile" ];
then
   xdvi "$dvifile" &
else
   echo "No .dvi files found."
fi