Yes, but the real question is: What is the lower bound? When would you consider it pointless to use streams and just concatenate away? Or even trying to profile the difference. For me, 3 or less. Vince From: Pharo-users [mailto:pharo-users-bounces@lists.pharo.org] On Behalf Of Kasper Ãsterbye Sent: Friday, 18 October 2019 2:38 AM To: Any question about pharo is welcome <pharo-users@lists.pharo.org> Subject: [Pharo-users] String concatenation vs. Stream EXTERNAL: Do not click links or open attachments if you do not recognize the sender. This is an old one, and I knew of cause that one should not use #, when you can use streams instead. But that is was this bad to use #, came as a surprise I must say<https://urldefense.com/v3/__https:/gist.github.com/kasperosterbye/d8c9bd518f...> Best, Kasper