Re^2: replace/substituion 4th field

There is no reason to use Text::CSV_XS or any other CSV module. For a csv file? Why is that?
(The /e flag stands for eval.) No sir, the /e modifier does NOT means eval.
This is what perlop said about it; A /e will cause the replacement portion to be treated as a full-fledged Perl expression and evaluated right then and there. It is, however, syntax checked at compile-time.
It is when you have /ee, that the second "e" evaled, the expression. Please read it up.

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Re^3: replace/substituion 4th field by 7stud (Deacon) on Feb 21, 2013 at 07:00 UTC
There is no reason to use Text::CSV_XS or any other CSV module. For a csv file? Why is that? Because perl natively supplies a simple and efficient tool to do what the op wants. It is evaled when you have /ee, that the second "e" evaled, the expression. Please read it up. I originally had two ee's, but that was so slow compared to split(), I changed it to one e. It is, however, syntax checked at compile-time. ++ perl savoir-faire.	[reply]

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Re^3: replace/substituion 4th field
by 7stud (Deacon) on Feb 21, 2013 at 07:00 UTC

There is no reason to use Text::CSV_XS or any other CSV module. For a csv file? Why is that?

Because perl natively supplies a simple and efficient tool to do what the op wants.

It is evaled when you have /ee, that the second "e" evaled, the expression. Please read it up.

I originally had two ee's, but that was so slow compared to split(), I changed it to one e.

It is, however, syntax checked at compile-time.