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Size: 1.12 KB
Versions: 8
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Stored size: 1.12 KB
Contents
require 'rbkb/cli'
# Copyright 2009 emonti at matasano.com
# See README.rdoc for license information
#
# Reverses a hexdump back to raw data. Designed to work with hexdumps created
# by Unix utilities like 'xxd' as well as 'hexdump -C'.
class Rbkb::Cli::Dedump < Rbkb::Cli::Executable
def initialize(*args)
super(*args) {|this|
this.opts[:len] ||= 16
yield this if block_given?
}
end
def make_parser()
arg = super()
arg.banner += " <input-file | blank for stdin>"
arg.on("-l", "--length LEN", Numeric,
"Bytes per line in hexdump (Default: #{@opts[:len]})") do |l|
bail("Length must be greater than zero") unless (@opts[:len] = l) > 0
end
return arg
end
def parse(*args)
super(*args)
parse_file_argument(:indat)
parse_catchall()
end
def go(*args)
super(*args)
# Default to standard input
@opts[:indat] ||= @stdin.read()
self.exit(1) unless((@opts[:len] ||= @opts[:indat].length) > 0)
begin
@opts[:indat].dehexdump( :len => @opts[:len], :out => @stdout)
rescue
bail "Error: #{$!}"
end
self.exit(0)
end
end
Version data entries
8 entries across 8 versions & 2 rubygems