quotes

src/freedombone-ignore

 PM=/home/$MYUSERNAME/.procmailrc
 
 # Ignore if subject line contains text
-if [ $SUBJECT_TEXT ]; then
+if [ "$SUBJECT_TEXT" ]; then
     if ! grep -q "Ignore rule for $SUBJECT_TEXT" $PM; then
         echo "# Ignore rule for $SUBJECT_TEXT" >> $PM
         echo ":0" >> $PM