Re: Counting (easy!) (YES!!)
I think I figured it out! A FIRST!!
for ($i = 1; $i <= 5; $i++){
sleep 1;
print "$i\n";
}
I prints out like this: 1...2...3...4...5
YES!!
Thanks everyone! :-)
From: "Trent Rigsbee" <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: Counting (easy!)
Date: Thu, 13 Nov 2003 01:05:37 +
I'm sure this is easy but I'm a newbie. I was doing control statements
(for, while,etc.) like this:
for ($count = 1; $count <= 5; $count++) {
print "$count\n";
}
What I wanted to do was to make each number appear in sequence like you see
in a countdown (or up, in this case) instead of all on the screen at once.
I've tried using sleep but I'm not getting anywhere with it. Any ideas?
Also, any methods or ideas on how to approach creating code in general? For
example, what's the thought process for trying to do what I want to do?
I've tried pseudo code and it's helped some but then I hit the wall and
don't how to go further. Thanks!
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RE: Counting (easy!) (YES!!)
Wouldn't that print out
1
2
3
4
5
?
-Original Message-
From: Trent Rigsbee [mailto:[EMAIL PROTECTED]
Sent: Wednesday, November 12, 2003 6:13 PM
To: [EMAIL PROTECTED]
Subject: Re: Counting (easy!) (YES!!)
I think I figured it out! A FIRST!!
for ($i = 1; $i <= 5; $i++){
sleep 1;
print "$i\n";
}
I prints out like this: 1...2...3...4...5
YES!!
Thanks everyone! :-)
>From: "Trent Rigsbee" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Counting (easy!)
>Date: Thu, 13 Nov 2003 01:05:37 +
>
>I'm sure this is easy but I'm a newbie. I was doing control statements
>(for, while,etc.) like this:
>
>for ($count = 1; $count <= 5; $count++) {
> print "$count\n"; }
>
>What I wanted to do was to make each number appear in sequence like you
>see in a countdown (or up, in this case) instead of all on the screen
at once.
>I've tried using sleep but I'm not getting anywhere with it. Any ideas?
>Also, any methods or ideas on how to approach creating code in general?
>For example, what's the thought process for trying to do what I want to
do?
>I've tried pseudo code and it's helped some but then I hit the wall and
>don't how to go further. Thanks!
>
>_
>Frustrated with dial-up? Get high-speed for as low as $26.95.
>https://broadband.msn.com (Prices may vary by service area.)
>
>
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>To unsubscribe, e-mail: [EMAIL PROTECTED] For additional
>commands, e-mail: [EMAIL PROTECTED]
>
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RE: Counting (easy!) (YES!!)
Trent Rigsbee <[EMAIL PROTECTED]> wrote:
:
: I think I figured it out! A FIRST!!
:
: for ($i = 1; $i <= 5; $i++){
: sleep 1;
: print "$i\n";
: }
As you move into larger programs and scripts it
is a good idea to always use strict and warnings.
use strict;
use warnings;
After adding these to the top of your script
you'll need to use 'my' before using most variables
for the first time:
use strict;
use warnings;
for ( my $i; $i <= 5; $i++ ) {
sleep 1;
print "$i\n";
}
You can also use the range operator to save some
typing:
for my $i ( 1 .. 5 ) {
sleep 1;
print "$i\n";
}
HTH,
Charles K. Clarkson
--
Head Bottle Washer,
Clarkson Energy Homes, Inc.
Mobile Home Specialists
254 968-8328
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