commandlinefu.com is the place to record those command-line gems that you return to again and again.
You can sign-in using OpenID credentials, or register a traditional username and password.
Subscribe to the feed for:
Same functionality without using bash functions.
POSIX compliant arithmetic evaluation.
a() function in bc is for arctangent, available if using -l option included.
This was done in csh.
defines a handy function for quick calculations from cli.