Support -E in awk

[Denys Vlasenko]

Pushed to git. Can you review and test?

On Thu, Sep 21, 2023 at 5:13 PM Philip Prindeville
<philipp_subx at redfish-solutions.com> wrote:
>
> Hi,
>
> We have some scripts written in awk that we'd like to have take flags, but when the script is embedded in a hashbang file (#!/usr/bin/awk -f), then awk ends up consuming any arguments that look like flags, so we're limited in the compatibility we can provide.
>
> Looking at editors/awk.c there's a comment about adding -E being "easy-ish".
>
> Glad to hear it.
>
> We have an urgent need for this, and we're hoping it can be in the next release.
>
> We've opened a bug: https://bugs.busybox.net/show_bug.cgi?id=15781
>
> How realistic is it to get this out for the next cycle?
>
> Thanks,
>
> -Philip
>
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