Looking at some old code I wrote.
my @listing;
open(IN, list.txt) or die $!;
while () {
chomp;
next if /^\s*$/;
next if /^#/;
push(@listing, $_);
}
close IN;
I want to trim any new lines off end of data. chomp does that. I
want to skip any lines that begin with # and next if /^#
On 12-06-06 10:27 AM, Matt wrote:
Looking at some old code I wrote.
my @listing;
open(IN, list.txt) or die $!;
while () {
chomp;
next if /^\s*$/;
# skip lines beginning with whitespace
next if /^\s/;
next if /^#/;
push(@listing, $_);
}
close IN;
I want to trim an
On Wed, Jun 6, 2012 at 10:27 AM, Matt wrote:
> Looking at some old code I wrote.
>
> my @listing;
> open(IN, list.txt) or die $!;
> while () {
> chomp;
> next if /^\s*$/;
> next if /^#/;
> push(@listing, $_);
> }
> close IN;
>
> I want to trim any new lines off end of data. chomp does
> Shawn has already provided an answer, but I wanted to point out what
> your regular expression (/^\s*$/) is doing. That expression is
> matching any string that is empty or only contains whitespace.
> HTH, Ken
Thanks. So what happens when you try to 'push' an empty string to an
array? I assume
On 12-06-06 11:46 AM, Matt wrote:
Thanks. So what happens when you try to 'push' an empty string to an
array? I assume nothing goes in the array?
No, an empty string is added to the end of the array. However, if you
push an empty list, (), onto an array, nothing is added.
--
Just my 0.000
