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The author misses the key command for performing set operations: comm This can perform set differences, unions, and even symmetric difference. comm -
by twp 15y ago
The author misses the key command for performing set operations:
comm
This can perform set differences, unions, and even symmetric difference.
comm -23 a b # a minus b
comm -12 a b # a and b
comm -3 a b # a symmetric difference b (with some extra tabs)
- softbuilder 15y agoThank you! I couldn't remember what this command was called and I was scanning that post trying to see if he'd mention it.