Be sure to use quotemeta or \Q..\E 
my @junk = map {chomp $_; qr/\Q$_\E/} <JUNK>;
while (<>) {
    next if $_ =~ $junk foreach my $junk (@junk);
    print;
}

[download]
perl's regexes are not as fast as grep's. But this will do, probably fast enough.
---
Berik

In reply to Re^2: file substitution by Berik
in thread file substitution by Anonymous Monk

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