3ks, Tux, I know it's wrong to use $[ $index_begin .. $index_end ], but i want to why range operator produce strange result in different content( scalar or list).
and also 3ks choroba, i think I got it after seeing what you posted.

In reply to Re^6: Editing just one column in a file by vinian
in thread Editing just one column in a file by ZWcarp

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