Re: extract part of subjkect line into variable?

Mathias Koerber wrote:

>         Subject: [xx] re: test
>
> I would like to assign the "xx" in the squarebrackets into a variable.
You could first grab everything after the opening bracket into MATCH
and then cut off the rest in a second step: 
        :0
        * ^Subject:[    ]*\[\/.*].*
        {
                IN_BRACKETS =| echo $MATCH | sed 's-].*--'
                # or maybe you prefer  ... | cut -d] -f1
        }

/HW