Top Level Namespace

Includes:
Diff

Defined Under Namespace

Modules: Diff

Instance Method Summary collapse

Methods included from Diff

#file_diff, #file_extension, #files_infos, #files_names, #files_with_no_extension, #git_status, #main, #parse_diff, #parse_with_diff, #parse_with_lang, #process, #split_codes, #split_diff, #split_heads

Instance Method Details

#paginate ⇒ Object

code from nex-3.com/posts/73-git-style-automatic-paging-in-ruby



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# File 'lib/pagination.rb', line 3

def paginate
  # doesn't run under Windows
  require 'rbconfig'
  return if RbConfig::CONFIG['host_os'] =~ /mswin|mingw|cygwin/

  return unless STDOUT.tty?

  read, write = IO.pipe

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

  # parent process becomes pager
  STDIN.reopen(read)
  read.close
  write.close

  ENV['LESS'] = 'FSRX' # Don't page if the input is short enough

  Kernel.select [STDIN] # Wait until we have input before we start the pager
  pager = ENV['PAGER'] || 'less'
  exec pager rescue exec '/bin/sh', '-c', pager
end