Using echo "20+5" literally produces 20+5 What command can I use to get the actual sum, e.g. 25 in this case. Also, what's the easiest way to do it just using bash for floating point, e.g. echo ...
I have a cron job that is running a script. When I run the script via an interactive shell (ssh'ed to bash) it works fine. When the script runs by itself via cron it fails. My guess is that it is ...