Contents

#!/usr/bin/env ruby
#######################################################################################
require 'html-renderer'
#######################################################################################

def lesspipe(*args)
  if args.any? and args.last.is_a?(Hash)
    options = args.pop
  else
    options = {}
  end

  output = args.first if args.any?

  params = []
  params << "-R" unless options[:color] == false
  params << "-S" unless options[:wrap] == true
  params << "-F" unless options[:always] == true
  if options[:tail] == true
    params << "+\\>"
    $stderr.puts "Seeking to end of stream..."
  end
  params << "-X"

  IO.popen("less #{params * ' '}", "w") do |less|
    if output
      less.puts output
    else
      yield less
    end
  end
rescue Errno::EPIPE, Interrupt
  # less just quit -- eat the exception.
end

#######################################################################################

def render(stream, paged=false)
  output = HTMLRenderer::ANSI.render(stream)

  if paged
    lesspipe { |less| less.puts output }
  else
    puts output
  end
end

#######################################################################################

opts, args = ARGV.partition { |arg| arg[/^--?\w/] }

if opts.include?("-h") or opts.include?("--help")
  puts "usage:"
  puts "  html2ansi [options] <file.html>"
  puts "    or"
  puts "  curl http://host/path.html | html2ansi [options]"
  puts
  puts "options:"
  puts "    -p    Paged (redirect output to less)"
  puts
else
  paged = opts.include?("-p") or opts.include?("--paged")
  if args.empty?
    render($stdin, paged)
  else
    args.each { |arg| render(open(arg), paged) }
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
html2ansi-0.0.2	bin/html2ansi