Well I've made you a little something, it might be useful for you.

Usage: $plot(string,N,char)

The N stands for the amount of first characters you want to be visible from each word.

Examples:

$plot(this is a test,0,*) -> **** ** * ****
$plot(this is a test,1,*) -> t*** i* a t***
$plot(this is a test,2,*) -> th** is a te**
$plot(this is a test,3,*) -> thi* is a tes*
...

alias plot {
var %a, %b = $regsub($1,/(?<=\S{ $+ $2})\S/g,$replace($$3,\,\\,$,\$),%a)
return %a
}


Gone.