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No, this overwrites the value in column 4. Look at the example input/output and you'll see the intention is to leave column 4 in existence, but move it over to column 5.

Wildcard
– Wildcard

2018-09-13 19:43:25 +00:00
Commented Sep 13, 2018 at 19:43
Alternative which inserts rather than overwrites is now provided.

DopeGhoti
– DopeGhoti

2018-09-13 19:48:13 +00:00
Commented Sep 13, 2018 at 19:48

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