Flash Card to Moodle xml

#example flashcard questions:
Which switch would you use with the echo command to enable the "backslash" options? ------ -e
Which switch would you use with the find utility to cause another command to run without prompting you? ------ -exec

#shell script
#!/bin/sh
converted="converted.xml"
sep="------"

if [[ $# -ne 1 ]]
then
        echo "$0 file_to_convert"
        exit 1
fi

echo "starting conversion to moodle xml"

if [[ -f $converted ]]
then
        echo "$converted already exists"
        rm $converted
fi

echo '<?xml version="1.0" ?>' > $converted
echo "<quiz>" >> $converted

i=1

cat $1 | while read line
do

        q=`echo $line  | awk -F"$sep" '{  print $1 }'`
        a=`echo $line | awk -F"$sep" '{  print $2 }'`
        echo '<question type="shortanswer">' >> $converted
        echo '<name>' >> $converted
        echo "<text>Question $i</text>" >> $converted
        echo '</name>' >> $converted
        echo '<questiontext format="html">' >> $converted
        echo "<text>$q</text>" >> $converted
        echo '</questiontext>' >> $converted
        echo '<answer fraction = "100">' >> $converted
        echo "<text>$a</text>" >> $converted
        echo '<feedback><text>Correct!</text></feedback>' >>$converted
        echo '</answer>' >> $converted
        echo '</question>' >> $converted

        ((i=i+1))

done
echo '</quiz>' >> $converted