Leon wrote:
>
> From: "Casey West" <[EMAIL PROTECTED]>
> >
> > open FILE, "filename" or die $!;
> > my $line = <FILE>;
> > close FILE;
> >
> > Remember, <FILEHANDLE> is something you can iterate over. In scalar
> > context it returns just one line (for all intents and purposes) at a
> > time.
>
> Am I right to say that although $line reads the first line, the whole file
> is still being read till the end of file.
No, it only reads the first line.
> If I am sitting for a test, I failed because I would probably think that
> $line = <FILE> would read the last line, I say so because of the following
> reasons:-
>
> my @line =<FILEHANDLE>; reads every line into @line, therefore I see the
> 'read FILEHANDLE' just like an array of lines like this :-
> <FILEHANDLE> equivalent to ('line 1\n' , 'line2\n' ..... and so on.. ) and
> if this is so, therefore $line should read the last line like this example
> :-
>
> my $line = ( 'line1', 'line2' , 'line3' );
> print $line; # print line3
No, that is an example of the comma operator, see the perlop document
for an explanation of the comma operator.
John
--
use Perl;
program
fulfillment
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
