Like `brew cat`, but automatically displays the output in a pager. Drop it in a directory on your $PATH and chmod +x it. Now you can run `brew less <formula>`!

brew-less.rb

# Thanks to <http://nex-3.com/posts/73-git-style-automatic-paging-in-ruby>
def run_pager
  return if PLATFORM =~ /win32/
  return unless STDOUT.tty?

  read, write = IO.pipe

  unless Kernel.fork
    STDOUT.reopen(write)
    STDERR.reopen(write) if STDERR.tty?
    read.close
    write.close
    return
  end

  STDIN.reopen(read)
  read.close
  write.close

  Kernel.select [STDIN]
  pager = ENV['HOMEBREW_PAGER'] || ENV['PAGER'] || 'less'
  exec pager rescue exec "/bin/sh", "-c", pager
end

raise FormulaUnspecifiedError if ARGV.named.empty?
run_pager
exec "cat", ARGV.formulae.first.path, *ARGV.options_only