Support -E in awk

[Philip Prindeville]

Thanks... I'll need to figure out how to backport it to 1.36.1 before I can try it.



> On Oct 2, 2023, at 8:24 AM, Denys Vlasenko <vda.linux at googlemail.com> wrote:
> 
> 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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