Use pbcopy in Ruby in the same way you would from the terminal
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README.md

Pbcopy

Enables piping and redirecting into pbcopy from within Ruby.

Mac OS X only.

This lib is intended as a development aid, not a production utility.

Note that this adds String#|

Pipe strings into pbcopy

On the command line you might do

$ which ruby | pbcopy

Which would copy the location of the ruby binary into your system's paste board. Later you could retrieve it with Command-V.

In Ruby you can pipe any string into pbcopy to achieve the same result

RUBY_VERSION | pbcopy
User.last.login | pbcopy

Redirect arbitrary objects into pbcopy

On the command line you might do

$ pbcopy < some_file

In Ruby you can do

pbcopy < 123
pbcopy < [4, 5, 6]

You can redirect any arbitrary object into pbcopy, it will be turned into a string (via #to_s) and placed in the system clipboard

Shorter more Ruby-like version of redirect

You can omit the chevron when redirecting into pbcopy

pbcopy 123
pbcopy [4, 5, 6]

Make available in irb / pry

$ echo 'require "pbcopy"' >> ~/.irbrc
$ echo 'require "pbcopy"' >> ~/.pryrc

Of course, if you're using Bundler, this won't work (b/c you're on a team and your team shouldn't have to know about and install your personal dev tools). So you can do this absurd monstrosity (you can figure out which paths to add via $ gem which pbcopy pasteboard)

begin
  require "pbcopy"
rescue LoadError
  $LOAD_PATH << '~/.rvm/gems/ruby-1.9.3-p125@global/gems/pbcopy-1.0.1/lib/'
  $LOAD_PATH << '~/.rvm/gems/ruby-1.9.3-p125/gems/pasteboard-1.0/lib/'
  require 'pbcopy'
end

Installation

$ gem install pbcopy