Harald Hanche-Olsen <hanche@math.ntnu.no> writes:

> AFAICT, the sed command that started the thread needed the GNU
> specific -r option because sed regular expressions don't normally
> support the special character `+'. But the grep ones do, hence no
> need to use egrep.

.....if your grep supports "+"

But if they are not using GNU sed, then what are the odds that grep
uses "+"?

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