[25901] in Perl-Users-Digest
Perl-Users Digest, Issue: 8129 Volume: 10
daemon@ATHENA.MIT.EDU (Perl-Users Digest)
Mon May 30 09:05:17 2005
Date: Mon, 30 May 2005 06:05:07 -0700 (PDT)
From: Perl-Users Digest <Perl-Users-Request@ruby.OCE.ORST.EDU>
To: Perl-Users@ruby.OCE.ORST.EDU (Perl-Users Digest)
Perl-Users Digest Mon, 30 May 2005 Volume: 10 Number: 8129
Today's topics:
Re: a simple question <raghavendra.ma@in.bosch.com>
Re: a simple question <georgekinley@hotmail.com>
Digest Administrivia (Last modified: 6 Apr 01) (Perl-Users-Digest Admin)
----------------------------------------------------------------------
Date: Mon, 30 May 2005 16:31:04 +0530
From: "Raghavendra Mahuli" <raghavendra.ma@in.bosch.com>
Subject: Re: a simple question
Message-Id: <d7erpm$1cc$1@ns2.fe.internet.bosch.com>
Thanx for all the responses....
"Brian McCauley" <nobull@mail.com> wrote in message
news:d7enr0$ml8$1@slavica.ukpost.com...
>
>
> Raghavendra Mahuli wrote:
>
> > Subject: a simple question
>
> Please put the subect of your post in the Subject of your post.
> > Hi all,
> > I have a simple question in perl... I have an array -
> >
> > @a = (10,20,30,40);
> >
> > Since '$' gives the scalar of a array ,
>
> No it doesn't. I'm not sure what you mean. Do you mean $a is the same
> as scalar(@a) ? No, that's not true.
>
> > i expect "print $a" to give the no.
> > of elements in the array...
>
> No, @a and $a are two completely separate variables.
>
> I have to confess this is rather messy in Perl5 - apparently it'll all
> be different in Perl6.
>
> In Perl5 @a is the array called 'a' and $a is a separate scalar variable
> also called 'a'. Confusingly $a[0] is the first element of @a and has
> nothing to do with $a. $#a is the last subscript of @a.
>
> This is all explained in some detail in the perldata manual.
------------------------------
Date: Mon, 30 May 2005 11:37:23 GMT
From: "George" <georgekinley@hotmail.com>
Subject: Re: a simple question
Message-Id: <xn0e2v7zu5ob2u1000@news.europe.nokia.com>
Raghavendra Mahuli wrote:
> Hi all,
> I have a simple question in perl... I have an array -
>
> @a = (10,20,30,40);
>
> Since '$' gives the scalar of a array , i expect "print $a" to give
> the no. of elements in the array...
> But it dosent work.. However if i copy it to a scalar and then print
> it, it works.. Can u pls explain why it is so?
> Here is the program listing:
>
> @a = (10,20,30,40);
> $x= @a;
> print $a;
> print $x;
>
> thanx in advance,
> regards,
> raghu
In perl your best friend is
use strict;
use warnings;
------------------------------
Date: 6 Apr 2001 21:33:47 GMT (Last modified)
From: Perl-Users-Request@ruby.oce.orst.edu (Perl-Users-Digest Admin)
Subject: Digest Administrivia (Last modified: 6 Apr 01)
Message-Id: <null>
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End of Perl-Users Digest V10 Issue 8129
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