my @files;
while(<>) {
    chomp;
    push @files, $_;
}

[download]

is a long winded way to say 

chomp( my @files = <> );

[download]

And here's an alternate version that should be much faster for long lists: 

my @sorted = map /.*\0(.*)/s,
             sort
             map lc(dirname($_))
               . "\0"
               . lc(basename($_))
               . "\0"
               . $_,
             @files;

[download]

In reply to Re^3: Sorting Directory and Filenames by ikegami
in thread Sorting Directory and Filenames by Anonymous Monk

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