editcron.sh

#!/bin/bash

# Safer way to edit cron so you don't mistakenly REMOVE the entire crontab
# with crontab -r when you meant to type crontab -e
# Also provides useful diff of your changes

ts=$(date +%s)
before=/tmp/`whoami`_crontab_before_$ts
after=/tmp/`whoami`_crontab_after_$ts
crontab -l > $before
crontab -e
crontab -l > $after
diff $before $after