my( @cpp , @php, @perl );
find ( ... \&test );
print join "\n", @cpp, "\n";
sub test {
push @cpp, $File::Find::name if is_cpp($File::Find::name);
push @perl, $File::Find::name if is_perl($File::Find::name);
push @php, $File::Find::name if $File::Find::name if is_php( $File::Find::name );
...
or
ack --help type
my @perl = qx{ack --perl "$startdir"};
my @php = qx{ack --php "$startdir"};
my @cpp = qx{ack --cpp "$startdir"};
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