Sha256: 561082ca21f5bf05746aee8c98bab0b57dbae74b538d26bbe3e3174617a2d331
Contents?: true
Size: 1.99 KB
Versions: 31
Compression:
Stored size: 1.99 KB
Contents
%w[rubygems colorize].each{|r| require r}
ASCII_PRINTABLE = (33..126)
=begin
000352c0 ed 33 8c 85 6e cc f6 f7 72 79 1c e3 3a b4 c2 c6 |.3..n...ry..:...|
000352d0 c8 8d d6 ee 3e 68 a1 a5 ae b2 b7 97 a4 1d 5f a7 |....>h........_.|
000352e0 d8 7d 28 db f6 8a e7 8a 7b 8d 0b bd 35 7d 25 3c |.}(.....{...5}%<|
000352f0 8b 3c c8 9d ec 04 85 54 92 a0 f7 a8 ed cf 05 7d |.<.....T.......}|
00035300 b5 e3 9e 35 f0 79 9f 51 74 e3 60 ee 0f 03 8e 3f |...5.y.Qt.`....?|
00035310 05 5b 91 87 e6 48 48 ee a3 77 ae ad 5e 2a 56 a2 |.[...HH..w..^*V.|
00035320 b6 96 86 f3 3c 92 b3 c8 62 4a 6f 96 10 5c 9c bb |....<...bJo..\..|
=end
# whoops!
# 48: d2 b1 6d 31 3e 67 e1 88 99 8b 4b 34 1d 61 05 15 |..m1g....K4.a..|
#
def hexdump(data, options={})
base_offset = options[:base_offset] || 0
color = options[:color].nil? ? true : options[:color]
highlight = options[:highlight]
p options
p color
lines = data.scan(/.{1,16}/m)
max_offset = (base_offset + data.size) / 16 * 16
max_offset_width = max_offset.to_s.size
max_hex_width = 3 * 16 + 1
p [max_offset, max_offset_width]
lines.each_with_index do |line,n|
offset = base_offset + n*16
bytes = line.unpack("C*")
hex = bytes.map { |c| "%0.2x" % c }.insert(8, '').join(' ')
plain = bytes.map do |c|
if ASCII_PRINTABLE.include?(c)
c = c.chr
else
color ? '<9>.</9>' : '.'
end
end.join('')
if color
outstring = "<light_cyan>%s<cyan>: <light_yellow>%s <default>|<light_white>%s<default>|" % [offset.to_s.ljust(max_offset_width), hex.ljust(max_hex_width), plain]
outstring = outstring.colorize
else
outstring = "%s: %s |%s|" % [offset.to_s.ljust(max_offset_width), hex.ljust(max_hex_width), plain]
end
puts outstring
end
end
if $0 == __FILE__
data = (0..64).map{ rand(255).chr }.join('')
hexdump(data)
puts
hexdump(data, :color=>false)
puts
data = "1234567890"*10
hexdump(data)
end
Version data entries
31 entries across 31 versions & 1 rubygems