Unix Tip: GEEK DECODER RING

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Unix Tip 3486 - August 25, 2012

http://www.ugu.com/sui/ugu/show?tip.today

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GEEK DECODER RING

Ever want to sneek some not
quite politically correct
witticism or other thought
past the "non-technical"?
Or maybe you just want to
un[en|de]code bits, hex or
uu text (boring, but more
practical).

Here's some simple perl
code you can use for a
geek/nerd/dweeb "decoder
ring":

ENCODE INTO BITS, HEX, UU:

perl -ne'$b=unpack("b*",$_);@l=$b=~/.{0,56}/g;
print(join("\n",@l))' <<RM
Tron rules!
RM

Just change the "b*" to "h*"
for hexidecimal or "u*" for
uuencoding.

DECODE FROM BITS, HEX, UU:

perl -ne'chomp;$a.=pack"b*",$_;END{print"\n$a\n\n"}'<<RM
00101010010011101111011001110110000001000100111010101110
00110110101001101100111010000100
RM

I include my favorite
messages that I otherwise
might not write out in clear
text in my signature file along
with the decoder code. It's
enough to scare away most. But,
I've found those technically
superior types get more of a
kick out of "decoding" (cut
and paste to UNIX/LINUX
command line) the message
during their more productive
moments. ;-)


This tip generously supported by: rmuhle@tuxzone.net


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