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Works but a wee bit more complex and probably slower than cas' awksolution which by itself (tx awk!) only ever applies where the record matches. No need for the while "Is there a match?" test in that case. Anyway, +1 on didactic grounds and because the answer certainly does not deserve a downvote ;-)

Cbhihe
– Cbhihe

2019-09-09 09:17:33 +00:00
Commented Sep 9, 2019 at 9:17

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