I want to read documentation of gems in terminal. How can I do this with ri tools? LinuxMint 18.3 Rails 5.1.4
How to read local Rails documentation with ri/rdoc tools?
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First, make sure you have the Docs on your system. They do not always install with a typical Rails installation.
You can download the doc for a specific gem with
gem rdoc [gem-name] --no-rdocThe
--no-rdoctells it not to install the HTML version.If you want the docs for all gems you have installed, you can use
gem rdoc --all --ri --no-rdocThat may take a few minutes to download.
Once you have the docs downloaded, you can access them with
ri -iThis will give you an interactive prompt where you can search for gems or methods. You can even use tab to autocomplete.