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How to run Ruby Gem?

This may sound silly, but I recently tried installing SASS and following their instructions:

$ gem install sass $ sass --watch [...]

So, I followed him:

 root@server:~# gem install sass Successfully installed sass-3.1.15 1 gem installed Installing ri documentation for sass-3.1.15... Installing RDoc documentation for sass-3.1.15... root@server:~# sass bash: sass: command not found

Despite looking around like an idiot, trying to find some simple way to run something like gem run sass or some other workaround to make it work, I more or less don't understand.

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ruby sass rubygems
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3 answers

Debian / Ubuntu seems to be throwing ruby ​​gems at /var/lib/gems/1.8/bin .

So the solution (at least for Ubuntu / Debian):

 $ sudo -s # echo 'PATH=/var/lib/gems/1.8/bin:$PATH' > /etc/profile.d/gemspath.sh # chmod 0755 /etc/profile.d/gemspath.sh

... and then open a new shell session.

(This is fixed in Ubuntu 11.10 .)

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If you installed Ruby via rbenv , you need to run the following command

rbenv rehash

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If you are using macOS and you:

  • I don't know / don't worry about Ruby.
  • I just want to run this program.
  • Why is it so hard?

Then run:

~/.gem/ruby/*/bin/jekyll

where jekyll is what you just installed with gem install .

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