String interpolation in the short-hand call of macro @bash1_str

General Usage
,
1

Hello everyone,
I am trying to improve the following macro:
macro bash1_str(s1) s = eval(s1); println(s); open(bash,"w",stdout) do io; print(io, s); end; end ;
If I call
@bash1_str "mkdir $FD"
The string FD is interpolated. But if I use the shorthand call
bash1"mkdir $FD"
The interpolation DOES NOT happen. How can I enforce the interpolation in the shorthand call?

2

Note that your macro appears to have side effects and not an AST transformation, and as such it may not do what you want in general.

That said, non-standard string literals specifically do not perform string interpolation automatically — that’s kind of the point. You could do it manually, but I am not sure why the whole thing isn’t just a function — you could just construct a command to run bash.

2 Likes
3

thanks Tamas, I think this macro is not necessary.