Code:
/usr/bin/diff $F_PATH/$F_NAME1 $F_PATH/$F_NAME2 >> /dev/null 2>&1
if [ $? -eq 0 ]
then # NO CHANGE
rm $F_PATH/$F_NAME1
else # CHANGE
rm $F_PATH/$F_NAME2
uuencode $F_PATH/$F_NAME1 $F_NAME1| mailx -s "$F_NAME1 CHANGED" $NC_EMAIL
fi
That should do basically what you need it to, unless I misunderstood the requirements.
You'll need to add the file transfer bits above that block yourself.
