Sha256: 5a0426320d2d86e5cd4f4ab5473fdc912646715fd47ef215913e5df6e651ad52
Contents?: true
Size: 721 Bytes
Versions: 8
Compression:
Stored size: 721 Bytes
Contents
require 'rbkb/cli'
# Copyright 2009 emonti at matasano.com
# See README.rdoc for license information
#
# crc32 returns a crc32 checksum in hex from stdin or a file
class Rbkb::Cli::Crc32 < Rbkb::Cli::Executable
def initialize(*args)
super(*args)
@opts[:first] ||= 0
@opts[:last] ||= -1
end
def make_parser()
arg = super()
arg.banner += " [filename]"
add_std_file_opt(:indat)
add_range_opts(:first, :last)
end
def parse(*args)
super(*args)
parse_file_argument(:indat)
parse_catchall()
end
def go(*args)
super(*args)
@opts[:indat] ||= @stdin.read()
@stdout.puts @opts[:indat][ @opts[:first] .. @opts[:last] ].crc32.to_hex
self.exit(0)
end
end
Version data entries
8 entries across 8 versions & 2 rubygems