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Text Filter Handler

The text filter handler is simple. It takes a single argument as input: the text being transformed. It then is responsible for returning the transformed text.

The example below works by converting all instances of the word “cat” with “dog.”

package Example::Plugin;
use strict;

sub mytransform {
    my ($str) = @_;
    $str =~ s/\bcat\b/dog/mg;
    return $str;
}

1; # Every module must return true
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