#!/usr/bin/env ruby

# Sunmary of the program

# Shell utilities: cd, pwd, mkdir_p, rm_rf, etc.
# http://ruby-doc.org/stdlib/libdoc/fileutils/rdoc/files/fileutils_rb.html
require 'fileutils'
include FileUtils::Verbose # Echo file operations
#include FileUtils::DryRun  # For testing. Display operations without acting

#====================================
def print_usage
print <<TEXT

  usage: #{$0} mailingList.csv
  where:
     ...
TEXT
exit
end

print_usage if ARGV[0] == nil


#====================================
def run()
  text = File.readlines(ARGF).join
  ...
end

run if __FILE__ == $PROGRAM_NAME

__END__

DATA here...