Date: Thu, 24 Jun 1999 17:25:42 -0400 From: Lowell Gilbert <lowell@world.std.com> To: ChrisMic@clientlogic.com Cc: questions@FreeBSD.org Subject: Re: Cycling bootup splash screens? (trivial) Message-ID: <199906242125.AA20749@world.std.com> In-Reply-To: <6C37EE640B78D2118D2F00A0C90FCB44011059E5@site2s1> (message from Christopher Michaels on Thu, 24 Jun 1999 16:49:29 -0400) References: <6C37EE640B78D2118D2F00A0C90FCB44011059E5@site2s1>
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From: Christopher Michaels <ChrisMic@clientlogic.com>
Date: Thu, 24 Jun 1999 16:49:29 -0400
I was thinking the latter, of using a symlink to an image and just leaving
/boot/loader.conf alone.
That seems easiest (and best) to me.
Unfortunately, i'm not versed enough to get started on that script. I'll
probably beat my head over it this weekend. :^)
It'll be good practice.
You wouldn't happen to have any ideas on how I would go about randomly
selecting a file in a directory would you?
Well, that is the hard part, isn't it? Once you've got a filename in
a (shell script) variable, making a symbolic link to it in a specific
place is easy.
In my shell, bash, you have a variable that gives you random values,
indexable arrays, and arithmetic calculations. That is enough to
randomly pick one of a set. You can get the set from 'ls', and you
can get the number of items in the set from applying 'wc' to 'ls'.
As a C programmer, I only thought about the shell stuff for a few
seconds before realizing that a program to randomly pick one of its
parameters (and spit it back) is essentially a two-liner:
#include <stdlib.h>
int main(int argc, char *argv[])
{
srandomdev();
printf("%s",argv[random()%argc]);
}
which could make the shell script even easier.
Actually, I assumed that you'd want to cycle through the screens
rather than picking one randomly. But then, I don't "get" the
attraction of splash screens, myself.
Good luck.
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