[ksh93-integration-discuss] AW: [ast-users] Defining pattern mode (like "~(E)") via variables

[Papanagnou Joanis]

> Does anyone know why
> 
> $ (ksh93 "mode='[[ "hello" == ~(E).*hello ]] && echo 'bar'")
> bar
> 
> works but
> 
> $ (ksh93 "mode='~(E)' ; [[ "hello" == ${mode}.*hello ]] && echo 'bar'")
> 
> does not produce a match?

I'd guess it's part of the shell syntax, and not evaluated
as part of the pattern value (i.e. unlike regexp \< and \>).

Janis