Look at implementors and senders of #to:by:do: as a start. You can
iterate over a Collection (String is a Collection) making bigger steps.
Or look around for ReadStream and methods like #atEnd and #next:
Am 10.09.20 um 13:48 schrieb Roelof Wobben via Pharo-users:
> For another challenge of exercism I have to divide a string in parts
> of max 5 characters.
> so for example abcdefg willl be "abcde fg"
> Any hints how I can achieve this ?