Editing gems

Gawin Dapper vr 12 feb 10

There are those days when you would like to edit the gem that you are using.
Usually, the best way is just to checkout the gem at github or gemcutter, but if you want to edit a specific version, or just a quicklook this can become somewhat time consuming.

Instead of searching the web for the source, you could always just look at your gem locally. Mine are installed at:

/Library/Ruby/Gems/1.8/gems/

But, there is, off course, also a gem to edit gems!

gem install gemedit

And then you can just edit your executing a command like this:

gem edit gemname

Sinds a lot of developers use textmate :

gem edit devise -e mate

Or you could just add $GEMEDITOR to your profile. If you have $EDITOR already set, it will pickup that, or fall back to vi if no editor is specified.

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