Marc Cornellà 8d814fdff6 Fast algorithm to determine grep alias flags ...

This version tries whether grep supports all the flags together
and progressively checks older flags if the grep test fails.
This means only one grep call if all flags are supported, and
one additional call for every flag that's not supported, up to
a maximum of 3 calls.

2020-03-01 14:05:01 +01:00

1.2 KiB

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