split(/\t/, $data);
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Well, on the surface, it looks to me as though you are trying to split by a literal space, yet your string is really tab-delimited. Try splitting on \t instead, or, better yet, try posting your actual code (in <code> blocks, of course) so we can help you more effectively.

Update: Curses! Pre-empted by a speedier monk yet again! :)

Whenever you say "X is not working," please tell us what you mean by "working." A log function is "working" if it throws an exception for log(0) but may not be "working" if it throws an exception for log(-1), which is defined in the complex domain.

Would I be correct in concluding that you want to split your string on white space? If that's the case try this:

$string="Wed 24 May 2006 09:56:12 AM EDT kdelibs3-devel";

@info = split(/\s+/, $string);

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\s is the regex abbreviation for whitespace, which is the class of characters including blanks and tabs. Your surprise may be that what you expect to be the last field is separated from what you expect to be the penultimate field by a tab, vs a blank. To check this you could open the file in vi (or vim) and :set list, which will indicate tabs.

As an aside, please use code tags to surround your code and use html entities for square braces([ ]). These will make it much easier to read your posts.

Note that splitting on / / is different from splitting on " ". The latter splits on any sequence of whitespace and also throws away trailing whitespace. (Splitting on /\s+/ is akin to splitting on " " but gives an empty field if the string starts with whitespace. You can also do /\S+/g instead of split " ".)