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Re: Hex URL to string
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Re: Hex URL to string


  • Subject: Re: Hex URL to string
  • From: Michelle Steiner <email@hidden>
  • Date: Mon, 7 May 2001 16:12:17 -0700

On 5/7/01 12:48 PM, Ehsan Saffari <email@hidden> wrote:

>I am trying to decode a hexadecimal URL
>
>with Akua I tried this: (dechevronized)
>set x to <<data url
>6D61696C746F3A6170706C657363726970742D7573657273406C697374732E6170706C652E6
>36F6D>>
>encode x in string from hexadecimal--> returns incorrect result
>
>I also tried:
>
>set x to
>"6D61696C746F3A6170706C657363726970742D7573657273406C697374732E6170706C652E
>636F6D"
>encode x in string from hexadecimal--> returns incorrect result
>
>Is there any method to decode a hex url so I can get the correct result:
>"mailto:email@hidden";

I think the problem may be in your hex string; When I run this script,

global hexchars
set hexchars to "0123456789ABCDEF"
set output to ""

set x to
"66D61696C746F3A6170706C657363726970742D7573657273406C697374732E6170706C652
E636F6D"
--set x to
"4142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F606162636465
666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F"
set iterations to (count of x) - 1
repeat with loop from 1 to iterations by 2
set hexnum to characters loop thru (loop + 1) of x
set decimalnum to computevalue(item 2 of hexnum) + (computevalue(item 1
of hexnum) * 16)
set ASCIIchar to the ASCII character of decimalnum
set output to output & ASCIIchar
end repeat
output

to computevalue(inputchar)
return (offset of inputchar in hexchars) - 1
end computevalue
--> "fwq+F[6W67&sBWW6W'4s7G2JRJ6"

However, if i comment out your hex string and replace it with the one
commented out above...
--> "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~"

And that's the correct result, showing that the script is accurate, but
your input is in error.

--Michelle

----------------------------------------------------------------------
| Michelle Steiner | We're not human beings having a spiritual |
| | experience. We're spiritual beings |
| email@hidden | having a human experience. |
----------------------------------------------------------------------


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