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Re: Constructing and Manipulating Raw Strings
From: |
Nordlöw |
Subject: |
Re: Constructing and Manipulating Raw Strings |
Date: |
Wed, 08 Dec 2010 15:31:45 -0000 |
User-agent: |
G2/1.0 |
On 13 Okt, 17:53, p...@informatimago.com (Pascal J. Bourguignon)
wrote:
> Nordlöw <per.nord...@gmail.com> writes:
> > What is the best way to extract the individual bytes from hexadecimal
> > string (output from md5) and using them as input into a call to
> > unibyte-string()?
>
> > I want to use this raw string as a key in a hash table for file types
> > and then I don't want to waste space (size halves if we go from a
> > hexadecimal string to a raw byte string).
>
> > Does read() (or some of its variants) support reading raw unibyte
> > strings (that may contain zero bytes).
>
> You can use decode-hex-string instead:
>
> (decode-hex-string "4142434445464748494a4b4c4d4e4f")
> --> "ABCDEFGHIJKLMNO"
>
> --
> __Pascal Bourguignon__ http://www.informatimago.com/
Thanks,
Per