>-----Original Message-----
>From: Mr. Shawn H. Corey [mailto:[EMAIL PROTECTED]
>Sent: Wednesday, April 26, 2006 1:32 PM
>To: Rance Hall
>Cc: [email protected]
>Subject: Re: problem with whitespace not splitting on split.
>
>On Wed, 2006-26-04 at 15:22 -0500, Rance Hall wrote:
>> I'm working on a new perl script thats giving me fits.
>>
>> Ive never quite seen anything like this.
>>
>> here is the command that is not giving me the results I want.
>>
>> @domain = split(' ',$domainlist);
>>
>> what should have happened was that if there was any whitespace in the
>> file (including new lines, and such) thats where the split would have
>> occurred
>
> @domain = split /\s+/, $domainlist;
>
>It's not splitting on whitespace since you are telling it to split on a
>single space character (ASCII 0x20).
The confusion comes from the poor wording of the perldoc.
"As a special case, specifying a PATTERN of space (' ') will
split on white space just as "split" with no arguments does.
Thus, "split(' ')" can be used to emulate awk's default
behavior, whereas "split(/ /)" will give you as many null
initial fields as there are leading spaces. A "split" on "/\s+/"
is like a "split(' ')" except that any leading whitespace
produces a null first field. A "split" with no arguments really
does a "split(' ', $_)" internally."
It doesn't make it clear whether it's really talking about whitespace
(as in \w) or just spaces.
This is why I avoid using "magic" whenever possible.
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