[EMAIL PROTECTED]>
To: "Craig S Monroe" <[EMAIL PROTECTED]>; "Beginners@Perl (E-mail)"
<[EMAIL PROTECTED]>
Sent: Wednesday, June 27, 2001 5:45 PM
Subject: Re: substr (help,help,help);
> > while (){
> > if (m/\/nic\/login/){
>
> this just say
On Wed, Jun 27, 2001 at 05:30:11PM -0400, Craig S Monroe wrote:
> open (SOURCE, "< $filename");
>
> while (){
> if (m/\/nic\/login/){
> substr ($_,28,4);
> print;
> }
> }
That substr is a no-op, meaning it does nothing. If warnings had been
turned on, you would have seen something along the
> while (){
> if (m/\/nic\/login/){
this just says yes or no, you have a match or you don't.
m// (and friends like s///) can do more than that for you.
for one thing, they can grab a particular piece of what
they match.
> substr ($_,28,4);
what substr normally does -- get or change a piece of
Hello,
I am trying to pull a piece of text out of some html source.
I am using the following, but the result is confusing me.
open (SOURCE, "< $filename");
while (){
if (m/\/nic\/login/){
substr ($_,28,4);
print;
}
}
The result is :
(Login)
I would like to
