Untitled

#!/bin/bash
# Sync alpine address book

if [ -f "$1"]; then
if [ -f "$2"]; then
cat "$1" >> "$2"
else
echo "Usage new address book old address book"
exit 0
fi
else 
echo "Usage new address book old address book"
exit 0
fi

# Strip duplicate lines
uniq "$2" > complete_book
# move complete_book to $2's name since that is where we expect to see our new addressbook...
mv complete_book "$1"