Shell Programming and Scripting

function directoryDelete () {

if [[ -d "$1"  &&  "$FLAG_R" == "R" && "$FLAG_F_I" == "i" ]] ; then
   echo -n "saferm: descend into directory \`$1'?"
   read ANSWER
   if [[ "$ANSWER" = [Yy] ]] ; then
      echo  "removing all entries in directory \`$1'"
      for FILE in $1/*
      do
         if [ -d $FILE ] ; then
            directoryDelete $FILE
         else
            fileDelete $FILE
         fi
      done
      if [ "$DIR_NOT_EMPTY" = "y" ] ; then
         echo -n "saferm: remove directory \`$1' (might be nonempty)?"
         read ANSWER
         if [[ "$ANSWER" = [Yy] ]] ; then
            echo "saferm: cannot remove directory \`$1': Directory non-empty"
         fi
      else
         echo -n "saferm: remove directory \`$1'?"
         read ANSWER
         if [[ "$ANSWER" = [Yy] ]] ; then
            mv  $1 $TRASH 2>/dev/null
            echo "saferm: removing directory itself: \`$1'"
         fi
      fi
   fi
else
   fileDelete $1
fi
}


function fileDelete() {

if [ "$FLAG_F_I" = "i" ] &&  [ -w  "$1" ] ; then
   interactive $1
elif [ "$FLAG_F_I" = "f"  ] ; then
   force $1
elif [ "$FLAG_R" = "R"  ] ; then
   remove $1
else
   remove $1
fi
}

function interactive () {
echo -n "saferm: remove $1 ?"
read ANSWER
if [[ "$ANSWER" = [Yy] ]] ; then
   remove $1
else
   DIR_NOT_EMPTY=y
fi
}