On Wednesday, May 15, 2002, at 07:21 , Connie Chan wrote:
> Hi everybody,
>
> Is there any method to write a file ( text / bin ) by random ?
> just like what "seek" does.
where you want to start is with
perldoc -f seek
since you will notice
a) that it exists
b) tell exists - cf perldoc -f tell
where you will notice that there is a sysseek...
what I will mention is to TAKE SERIOUSLY the caution in
perldoc -f sysread
since you REALLLY REALLY WAY OH THE PAIN REALLY do
not want to mix sysread and the standard 'read' on
the same file descriptor...
Hence may I recommend that if you are going to use the
'seek' side that you make yourself quite at home with
doing the sysread side of the game first....
{ which if you are coming from the 'c' side of the game
seems more 'natural' since managing $buf and $length
makes one more at home... }
ciao
drieux
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