Hi Hendrik-Jan, You're almost there - here is a simple solution. > append/only test rejoin ["block1_"A ": copy []"] > do last test test: [] a: 12 append/only test rejoin ["block1_"A ": copy []"] last-block: do last test append last-block "whatever you want" so now try: >> block1_12 == ["whatever you want"] Brett Handley
- [REBOL] 'dynamic append' Bosch
