How can I let to variable a path with other env variable in it in init.vim?

crosspostato da: https://lemmy.world/post/8063065

Hi, how can I associate to a var a path with both env variable and text? something like this for example: let trial=$HOME/dir1/dir2/$env1/dir3 I saw that let trial=$HOME works when I echo it, but if I add $HOME/dir1 it doesn't anymore....any help? Thanks