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Editing: Count.pm
package Count ; use Filter::Util::Call ; use strict ; use warnings ; sub import { my ($self) = @_ ; my ($count) = 0 ; filter_add( sub { my ($status) ; if (($status = filter_read()) > 0 ) { s/Joe/Jim/g ; ++ $count ; } elsif ($count >= 0) { # EOF $_ = "print q[Made $count substitutions\n] ;" ; $status = 1 ; $count = -1 ; } $status ; }) } 1 ;
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