File Diff

Rationale

Did you know that RubyMine can be used to diff two files?

Mechanism

Use the mine command from the command line with the diff argument:

$ mine diff <path to file1> <path to file2> 

Reference: https://www.jetbrains.com/ruby/help/running-rubymine-as-a-diff-or-merge-command-line-tool.html