From: Eli Zaretskii <eliz@elta.co.il>
Subject: Re: How to create random characters?
Date: 14 Dec 2003 13:10:48 +0200 [thread overview]
Message-ID: <u7k0z8xjb.fsf@elta.co.il> (raw)
In-Reply-To: <wkr7z7oh2f.fsf@studiojungle.net> (message from Brad Collins on Sun, 14 Dec 2003 16:59:52 +0700)
> From: Brad Collins <brad@studiojungle.net>
> Date: Sun, 14 Dec 2003 16:59:52 +0700
>
> I want to generate a random id which is in the format of XXX-0000
> where 'XXX' is made up of ascii characters a-z and 0000 is a random
> number 0000-9999.
>
> I found random -- so that (random 10000) produces the number very
> nicely but I can't find anything that will produce three random
> characters in the same way.
Characters are just small integers, so evaluating the following
expression for each of the 3 characters:
(+ ?a (random (- ?z ?a)))
will give you 3 random numbers between the ASCII code of `a' and that
of `z'.
Does this solve your problem?
next prev parent reply other threads:[~2003-12-14 11:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-14 9:59 How to create random characters? Brad Collins
2003-12-14 11:10 ` Eli Zaretskii [this message]
[not found] ` <mailman.53.1071403922.868.help-gnu-emacs@gnu.org>
2003-12-15 8:07 ` Joakim Hove
2003-12-15 8:46 ` Eli Zaretskii
2003-12-18 9:22 ` Brad Collins
[not found] ` <mailman.242.1071742690.868.help-gnu-emacs@gnu.org>
2003-12-18 10:32 ` Kai Grossjohann
2003-12-18 17:30 ` Brad Collins
[not found] ` <mailman.280.1071771962.868.help-gnu-emacs@gnu.org>
2003-12-18 18:30 ` Harald Maier
2003-12-18 18:31 ` Kai Grossjohann
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=u7k0z8xjb.fsf@elta.co.il \
--to=eliz@elta.co.il \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).