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#!C:/ruby/bin/ruby
# CodeRay Executable
#
# Version: 0.1
# Author: murphy
require 'optparse'
def err msg
$stderr.puts msg
end
begin
require 'coderay'
if ARGV.empty?
puts <<-USAGE
CodeRay #{CodeRay::Version} (http://rd.cYcnus.de/coderay)
Usage:
coderay -lang [-format] < file > output
coderay file [-format]
USAGE
end
first, second = ARGV
if first
if first[/-(\w+)/] == first
lang = $1.to_sym
input = $stdin.read
tokens = CodeRay.scan input, lang
elsif first == '-'
lang = $1.to_sym
input = $stdin.read
tokens = CodeRay.scan input, lang
else
file = first
tokens = CodeRay.scan_file file
output_filename, output_ext = file, /#{Regexp.escape(File.extname(file))}$/
end
else
raise 'No lang/file given.'
end
if second
if second[/-(\w+)/] == second
format = $1.to_sym
else
raise 'Invalid format (must be -xxx).'
end
else
$stderr.puts 'No format given; setting to default (HTML)'
format = :html
end
output = tokens.encode format
out = $stdout
if output_filename
output_filename.sub output_ext, CodeRay::Encoders[format]::FILE_EXTENSION
if File.exist? output_filename
err 'File %s already exists.' % output_filename
exit
else
out = File.open output_filename, 'w'
end
else
end
out.print output
rescue => boom
err "Error: #{boom.message}\n"
err boom.backtrace
err '-' * 50
err ARGV.options
exit 1
end
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