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Manual pages for command line Ruby functions

Is there a way to get a guide to Ruby functions from the command line?

Like the ?func man pages in R.

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2 answers

The ri tool can help here.

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

...

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Source: https://habr.com/ru/post/1342899/

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