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Shell Programming and Scripting

"Encrypting" using number replacement

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Top Forums Shell Programming and Scripting "Encrypting" using number replacement
# 8  
Old 11-17-2011
Quote:
Originally Posted by Corona688
tr is much, much, much better suited for this than sed. No tricks are required to prevent repeat substitution and you feed it the sets directly.

Code:
$ echo 123456789 | tr '[12345]' '[58719]'
587196789

$

Quote:
Originally Posted by in2nix4life
Telling sed that the second number 5 is at the end of the string works:

Code:
echo 12345 | sed -e 's/1/5/g;s/2/8/g;s/3/7/g;s/4/1/g;s/5$/9/g;'

58719

Hope this helps.
Quote:
Originally Posted by zaxxon
See ahamed's post above. I hope this is not being used for encrypting Smilie Having several tries you will easily guess which number translates to which so this does not really look suited for a professional environment; no offense.
Quote:
Originally Posted by ahamed101
You can use the sed's transform feature for this...
Code:
echo 12345 | sed 'y/12345/58719/'

--ahamed
hi ahamed101,

Thank you very much! Code is working fine. Currently testing with other number combinations.

hi zaxxon,

None taken. We are just trying to mask the real digits (e.g. part of mobile numbers) with a different set (instead of just replacing with "xxx"), and be adding random digits at the end of each line also for added mask. The end users will not be given the number equivalents though. Thanks again.

hi in2nix4life,

Thank you for the post as well. But we'll be using the code to process several sets of random numbers, i think i'll explore ahamed101's given code for this instead. Appreciate the help.


hi Corona688,

Thanks for posting as well. I'll also explore this option.
Last edited by agentgrecko; 11-17-2011 at 11:25 AM..
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