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use strict;
use warnings;
...
At some point, when I get to that stage, the sorted data will be reuse
+d.
I tried your code, and it seems quite simple, hence, efective.
BUT, It runs with no errors, but nothing prints.

At some point, when I get to that stage, the sorted data will be reuse
+d.
At the moment, due to the small file size, sort time is unimportant.
BUT, It runs with no errors, but nothing prints.
I tried your code, and it seems quite simple, hence, efective.

use strict;
use warnings;
...
At some point, when I get to that stage, the sorted data will be reuse
+d.
I tried your code, and it seems quite simple, hence, efective.
BUT, It runs with no errors, but nothing prints.

BUT, It runs with no errors, but nothing prints.
I tried your code, and it seems quite simple, hence, efective.
At the moment, due to the small file size, sort time is unimportant.
At some point, when I get to that stage, the sorted data will be reuse
+d.