thx a lot....and a lot...
can you understand it..
undef $b;
while
$a=<THEFILE>; #the name of handler's file
chop;
$b=$a;
$b=~s/\s+//g;
}
thx again.
__________________________________
Best regards ......... Nafiseh Saberi
Iran .........
notes .........
Pray for Afghans people.
Clothes , dont make the man.
www.iraninfocenter.net
www.sorna.net
___________________________________
----- Original Message -----
From: "Rex Arul" <[EMAIL PROTECTED]>
To: "nafiseh saberi" <[EMAIL PROTECTED]>
Sent: Tuesday, October 23, 2001 13:36 PM
Subject: Re: undef function
> undef as an operator is very useful to "free-up" tied resources like
> objects, database recordsets, connection objects or even ordinary arrays
and
> hashes.
>
> It is almost the same as
> objRs = null (VBScript)
> objRS = null ;(JavaScript)
> undef($objRS); (Perl)
>
>
> ----- Original Message -----
> From: "nafiseh saberi" <[EMAIL PROTECTED]>
> To: "Rex Arul" <[EMAIL PROTECTED]>
> Sent: Tuesday, October 23, 2001 5:53 AM
> Subject: Re: undef function
>
>
> > can u explain more....
> > e.g the main usage of it...?
> > __________________________________
> > Best regards ......... Nafiseh Saberi
> > Iran .........
> > notes .........
> > Pray for Afghans people.
> > Clothes , dont make the man.
> > www.iraninfocenter.net
> > www.sorna.net
> > ___________________________________
> > ----- Original Message -----
> > From: "Rex Arul" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>; "nafiseh saberi"
> <[EMAIL PROTECTED]>
> > Cc: "perl" <[EMAIL PROTECTED]>
> > Sent: Tuesday, October 23, 2001 13:24 PM
> > Subject: Re: undef function
> >
> >
> > >
> > > $val = undef; #undef is more like a value here.
> > >
> > > undef ($objRS); #undef is more of a function here
> > > undef(%hash); #and here too
> > >
> > > -- Rex
> > >
> > > ----- Original Message -----
> > > From: <[EMAIL PROTECTED]>
> > > To: "nafiseh saberi" <[EMAIL PROTECTED]>
> > > Cc: "perl" <[EMAIL PROTECTED]>
> > > Sent: Tuesday, October 23, 2001 5:58 AM
> > > Subject: Re: undef function
> > >
> > >
> > > > undef is not really a function ... delete is ...
> > > > undef is (although many might disagree with me) more like a value
not
> > > unlike
> > > > 1,2 or 'cowabunga' that just says there is no value (hope this makes
> > > sense)
> > > >
> > > > but when u set a hash to undef it effectively deletes the hash from
> > > existance
> > > > ... (again i might be wrong about this one)
> > > >
> > > > On Tue, Oct 23, 2001 at 10:39:50AM +0330, nafiseh saberi shaped the
> > > electrons to read:
> > > > >
> > > > >
> > > > > hi all...
> > > > > I read about "undef" a lot
> > > > > but..
> > > > > I dont understand the difference between "undef" and "delete".. ?
> > > > > and why do we use undef...
> > > > > thx
> > > > > __________________________________
> > > > > Best regards ......... Nafiseh Saberi
> > > > > Iran .........
> > > > > notes .........
> > > > > Pray for Afghans people.
> > > > > Clothes , dont make the man.
> > > > > www.iraninfocenter.net
> > > > > www.sorna.net
> > > > > ___________________________________
> > > >
> > > > --
> > > > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > > > For additional commands, e-mail: [EMAIL PROTECTED]
> > > >
> > >
> > >
> > >
> > > --
> > > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > > For additional commands, e-mail: [EMAIL PROTECTED]
> >
>
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