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Grep seems to be a 20% faster: grep -oP '^[^;]*;\K[^;]*' file.csv | sort -u | grep -oP '.*/\K.*' | sort | uniq -d

user232326
– user232326

2018-04-12 07:08:03 +00:00
Commented Apr 12, 2018 at 7:08
@isaac Possibly. It would depend on what implementations of grep and sed one used. BSD sed is generally faster than GNU sed, and GNU grep may be faster than GNU sed too... I'm on a BSD system, so using GNU grep isn't something I'm "automatically" doing.

Kusalananda
– Kusalananda ♦

2018-04-12 07:10:51 +00:00
Commented Apr 12, 2018 at 7:10
@Kusalananda see my answer after some testing ;-) thank you for your help

Kiwy
– Kiwy

2018-04-12 08:43:31 +00:00
Commented Apr 12, 2018 at 8:43

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