echo $val #2.85714
allows you to use floating point operations in shell scripts Show Sample Output
-l auto-selects many more digits (but you can round/truncate in your head, right) plus it loads a few math functions like sin(). Show Sample Output
using bc is for sissies. dc is much better :-D Polish notation will rule the world... Show Sample Output
Calculator for shell. Similar performance and basic usage as 'bc', but with more advanced features. Not installed on most systems by default. Show Sample Output
Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?
You must be signed in to comment.
commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.
Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10
Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):
Subscribe to the feed for: