Manual pages for Ruby functions from command line

1k Views Asked by Aleksandr Levchuk At 14 May 2025 at 21:04

Is there a way to get at the manuals of Ruby functions from the command line?

Like the ?func man pages in R.

There are 2 best solutions below

Matchu On 08 March 2011 at 21:23 BEST ANSWER

ri Array  
ri Array.sort  
ri Hash#each  
ri Math::sqrt

Wes On 08 March 2011 at 23:01

I have the following shell script that I use because it does color formatting in the terminal:

wesbailey@feynman:~/insiderpages> cat `which rim`
ri -Tf ansi -w 150 $1
wesbailey@feynman:~/insiderpages> rim Array

...