Sha256: 727db28ee38aa4e071e9b2a38ecaaaa4d554383f6c08808b9e1c6317d27c7a03
Contents?: true
Size: 1.53 KB
Versions: 11
Compression:
Stored size: 1.53 KB
Contents
require 'rbkb/cli'
# Copyright 2009 emonti at matasano.com
# See README.rdoc for license information
#
# The hexify command converts a string or raw data to hex characters.
# Input can be supplied via stdin, a string argument, or a file (with -f).
class Rbkb::Cli::Hexify < Rbkb::Cli::Executable
def make_parser
super()
add_std_file_opt(:indat)
arg = @oparse
# Add local options
arg.banner += " <data | blank for stdin>"
arg.on("-l", "--length LEN", Numeric, "Output lines of LEN bytes") do |l|
@opts[:len] = l
end
arg.on("-d", "--delim=DELIMITER", "DELIMITER between each byte") do |d|
@opts[:delim] = d
end
arg.on("-p", "--prefix=PREFIX", "PREFIX before each byte") do |p|
@opts[:prefix] = p
end
arg.on("-s", "--suffix=SUFFIX", "SUFFIX after each byte") do |s|
@opts[:suffix] = s
end
end
def parse(*args)
super(*args)
# blackbag-style space delimiter compatability
if @argv[0] == "+" and @opts[:delim].nil?
@opts[:delim]=" "
@argv.shift
end
parse_string_argument(:indat)
parse_catchall()
end
def go(*args)
super(*args)
# Default to standard input
@opts[:indat] ||= @stdin.read()
indat = @opts.delete(:indat)
len = (@opts.delete(:len) || indat.length)
bail("Length must be greater than zero") unless(len > 0)
until (m = indat.slice!(0..len-1)).empty?
@stdout << m.hexify(@opts)
@stdout.puts((opts[:delim] and ! indat.empty?)? opts[:delim] : "\n")
end
self.exit(0)
end
end
Version data entries
11 entries across 11 versions & 2 rubygems