remove-line

#!/usr/bin/env ruby
# encoding: utf-8

def remove_line(filename, line)
	lines = File.open(filename, "r") do |f|
		f.binmode
		f.read.split("\n", -1)
	end
	if index = lines.find_index(line)
		lines.delete_at(index)
	end
	File.open(filename, "w") do |f|
		f.binmode
		f.write(lines.join("\n"))
	end
end

if ARGV.size < 2
	abort "Usage: remove-line <FILENAME> <LINE>"
else
	remove_line(ARGV[0], ARGV[1 .. ARGV.size - 1].join(" "))
end