#!/bin/env ruby require 'getopts' seedoffset = 0 if getopts( "s:" ) == nil || ARGV.length == 0 || $OPT_h then puts "Usage: #{$0} [-s number_of_seeds] input_files" exit end if $OPT_s seedoffset = $OPT_s.to_i end files = ARGV num = seedoffset + 1 for file in files output = "" STDERR.puts file fp = File.open( file, "r" ) while line = fp.gets if line =~ /^>/ then output += " " + num.to_s num += 1 end end fp.close puts output + " # " + file end