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

# Created: Feb  9, 2005       by Bart De Schutter
# Last revised: Jan  2, 2011  by Bart De Schutter
#
# See http://www.deschutter.info/util/scripts.html for the latest version of
# this script.

# Status: public
# Category: pdf

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

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

pdffile=$( (ls -t *.pdf | head -n 1) 2>/dev/null)
if [ -n "$pdffile" ];
then
   xpdf -z page "$pdffile" &
else
   echo "No .pdf files found in the current directory."
fi