I’d use a GRT variant.
use List::Util qw( max );
my @padded = do {
my @copy = @path;
my @segment_length;
while( 1 ) {
my $len = max map { s!([^/]*/|[^/]+)!! ? length( $1 ) : -1 } @
+copy;
last if $len == -1;
push @segment_length, $len;
}
my $format = join '', map "%${_}s", @segment_length;
map {;
no warnings 'uninitialized';
sprintf $format, split m!/!, $_, -1;
} @path;
};
@path = @path[ sort { $padded[ $a ] cmp $padded[ $b ] } 0 .. $#padded
+];
Makeshifts last the longest.
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