#!/bin/sh
# rbi-print-simple.sh -- automate printing of pdf documents on ps-only printers
# written to compensate the shabby it-infrastructure of
# the rbi at the university of frankfurt
#
# simple version does not support splitting of files and any kind of passwords
# (http, ftp or pdf passwords)


##### settings #####

# the file that contains the list of pdf files to print in the following format
# location $DELIM user $DELIM password $DELIM pdfpassword
CWD=$(pwd)
PRINTLIST="$CWD/printlist-simple"


##### programs we need #####
PDF2PS="/usr/bin/pdf2ps"
WGET="/usr/bin/wget"


##### variables #####

# return values
SUCCESS=0
ERROR=1

# username
USERID=$(id -u)        

# the tmp directory we save the files in - can't use home due to disk quota
TMPDIR="/tmp/$USERID-printtmp"


##### here we go #####

echo 
echo "rbi-print -- get, split, convert and print pdf files"
echo "----------------------------------------------------"

# get files
echo -n "getting files..."
mkdir -p $TMPDIR && cd $TMPDIR && rm -rf $TMPDIR/*   
if [ ! -d $TMPDIR ] ; then
	echo
	echo "  target directory missing -- exiting"
	exit $ERROR
fi


# check for wget
if [ ! -x $WGET ] ; then
	echo
	echo " wget not found in $WGET. exiting."
	exit $ERROR
fi


cnt=0
for file in $(cat $PRINTLIST) 
do
	$WGET -q $file
	((cnt++))
done
echo " done. ($cnt files processed)"



cnt=0
# now we have lots of small pdf files - convert them to post script
echo -n "converting files from pdf to ps..."

# check whether we have anything to do at all
if [ -z $(ls -A $TMPDIR) ]; then
	echo
	echo " nothing to do, no files in $TMPDIR. exiting."
	exit $ERROR 
fi

for spdf in $(ls -A $TMPDIR) 
do
	$PDF2PS $spdf
	rm -f $spdf
	((cnt++))
done
echo " done. ($cnt files processed)"


cnt=0
# let's print 
echo -n "starting to print ps files..."

# check whether we have anything to do at all
if [ -z $(ls -A $TMPDIR) ] ; then
	echo "nothing to do, no files in $TMPDIR. exiting."
	exit $ERROR
fi

for psf in $(ls -A $TMPDIR)
do
	lpr $psf
	((cnt++))
done
echo " done. ($cnt files processed)"

# clean up
#cd && rm -rf $TMPDIR

echo "good luck, it's now up to the rbi."
echo "exiting."

exit $SUCCESS