Re: "-M" option does not work as expected with switch statement

[arnold]

Thanks for the report. I see the same thing. I will work on a fix.

Arnold

Hyunho Cho<mug896@naver.com> wrote:

> GNU Awk 5.1.0, API: 3.0 (GNU MPFR 4.0.2, GNU MP 6.2.0)
> Operating System: Ubuntu 20.04 LTS
> Kernel: Linux 5.4.0-39-generic
> Architecture: x86-64
>
> ###     Without "-M" option work as expected
>
> bash$ awk '
> {
>     switch ($1) { case "A" : arr[1] = $1 }
>     print "value: " arr[1]
> }
> '
> A                       <------------ this is a user input
> value: A            <------------ the result as expected
>
> ### If i add "-M" option then value become "0"
>
> bash$ awk -M '
> {
>     switch ($1) { case "A" : arr[1] = $1 }
>     print "value: " arr[1]
> }
> '
> A
> value: 0           <--------- value become "0"
>
> ### No such error occurred without switch statement 
>
> bash$ awk -M '
> {
>     arr[1] = $1  
>     print "value: " arr[1]
> }
> '
> A
> value: A