«

Hi,
Have two questions.
1> Let say,
my $str = "abcd";
How can I do the following,
$str = $str + 1 make $str becomes "abce"?

2> Is it possible to do the following?
for(k=1;k<9;k++){
do something
wait for 10second
}

Thanks

a wrote:
> Hi,
> Have two questions.
> 1> Let say,
> my $str = "abcd";
> How can I do the following,
> $str = $str + 1 make $str becomes "abce"?

The auto-increment operator ++ will do this for you.

See the "Auto-increment and Auto-decrement" section in perldoc perlop
or online at:


http://perldoc.perl.org/perlop.html#...o-decrement---

- Simon Taylor
--
http://www.perlmeme.org

Hello again 'a'

> 2> Is it possible to do the following?
> for(k=1;k<9;k++){
> do something
> wait for 10second
> }


Try

perldoc -f sleep

ie:

for (my $k=1;$k<9;$k++){
print 'doing something' . "\n";
sleep 10;
}

or using the '..' range operator:

for (1.. {
print 'doing something' . "\n";
sleep 10;
}


- Simon Taylor
--
http://www.perlmeme.org

a wrote:
> 1> Let say,
> my $str = "abcd";
> How can I do the following,
> $str = $str + 1 make $str becomes "abce"?

Auto-increment works on strings jsut fine:

$str++

> 2> Is it possible to do the following?
> for(k=1;k<9;k++){
> do something
> wait for 10second
> }

Sure:

for my $k (1..9){
do something;
sleep 10;
}

jue

Jürgen Exner <> wrote in comp.lang.perl.misc:

> Auto-increment works on strings jsut fine:
^^^^ <-----+
|
|
Hey! ----------------------------+

Anno