On Tue, 3 Nov 2020 08:12:17 -0700 Simon Glass <s...@chromium.org> wrote:
> Hi Marek, > > On Sun, 1 Nov 2020 at 16:08, Marek Behun <marek.be...@nic.cz> wrote: > > > > What is the purpose of + operator on strings? > > Can't we use setenv "${a}${b}" ? > > Yes, that does the same thing, although it is a bit clumsy. > > setenv a *10 > setenv b *100 > setenv c "${a}${b}" > > instead of > > setexpr c *10 + *100 Hi Simon, I don't know. It provides the same functionality that exists, but only adds code. Is someone really going to use this? Marek PS: What I think would be more useful is to add substringing functionality into hush, so e.g. ${a:3:5}, and pattern substitions: ${parameter/pattern/string} ...