On Wed, Apr 10, 2013 at 03:46:00PM +0530, kavita kulkarni wrote:
> Hi All,

Hello.

> I want to extract certain char sets (e.g. char 4 to 9, char 11 to 14 etc.)
> from each line of my file and store them in separate variables for further
> processing.
> My file size can vary from thousand to millions of lines.
> If I use perl in-built function substr() to data extraction, it has huge
> impact on performance.

Compared to what?

> Is there any alternative for this?

Perhaps unpack() or regular expressions, but I doubt either would be
much faster, if at all.

-- 
Paul Johnson - p...@pjcj.net
http://www.pjcj.net

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