Re: search & relplace question

Also sprach Ashwin:

> I am not able to understand why
> my @result =map ((s/BBI_DIR/BBI_DIR\\RBI/), @BBY); modifies the @BBY
> array,
> what I expected was that @result should get updated with replaced lines,
> but it only updated with value 1 , which is what search function
> returns on success

Precisely.

> if I try
>
> my @result =map ((s/BBI_DIR/BBI_DIR\\RBI/,$_), @BBY);
> @results and @BBY get the same value , but @result also gets those line
> which are replaces appended with 1,
> what I need is only @result to get updated

You can make a copy of $_ in the map block and apply s/// to that. Or
you use List::MoreUtils::apply() (courtesy of Brian McCauley) which is
just like map() only that it wont alter the input elements:

use List::MoreUtils qw/apply/;

my @result = apply { s/BBI_DIR/BBI_DIR\\RBI/ } @BBY;

Tassilo
--
use bigint;
$n=71423350343770280161397026330337371139054411854220053437565440;
$m=-8,;;$_=$n&(0xff)<<$m,,$_>>=$m,,print+chr,,while(($m+=8)<=200);
.

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