Ruby

require 'webrick'

###

# Simple WEBrick file server. Usage:

#

# Start the file server, serving the files in the current directory

#

# $ ruby -rwebrick/simple -e start

#

# Start the file server, serving the files in the current directory on

# port 5000.

#

# $ ruby -rwebrick/simple -e start 5000

#

# Start the file server, serving the files in /tmp on port 5000.

#

# $ ruby -rwebrick/simple -e start 5000 /tmp

def start

port = ARGV.fetch 0, 0

root = ARGV.fetch 1, '.'

s = WEBrick::HTTPServer.new(:DocumentRoot => root, :Port => port)

trap('INT') { s.shutdown }

s.start

end