in reply to Converting to uppercase and wrapping ''

This seems to work.
my $folder = "data"; my $up = '\'' . uc($folder) . '\''; print $up . "\n";

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Re^2: Converting to uppercase and wrapping ''
by Anonymous Monk on May 02, 2011 at 14:12 UTC
    my $folder = "data"; print qq{'\U$folder\E'\n}; printf "'%s'\n", uc $folder; __END__ 'DATA' 'DATA'