How to exit a Julia program without completely exit REPL or shutting down Julia?

General Usage
13

I mean, it would be pretty trivial to provide this through ccall right? I imagine I could do it this afternoon if I took the time to read up on ccall. But it would be better to be a package kind of maintained by some github organization, like JuliaStrings etc except with a “OS interaction” theme or something.

I just tested this on my computer, and it worked:

julia> ccall(:execvp,Int32,(Cstring,Array{Cstring}),"/home/dlakelan/julia-latest/bin/julia",Cstring[])

Also this:

julia> ccall(:execvp,Int32,(Cstring,Array{Cstring}),"julia",Cstring[])

since execvp searches the path in the same way the shell does and my personal julia install is in my path :wink:

it should also be possible to create a function like this which just re-execs julia with the same arguments (figured out the specific sauce required).

julia> function reexec()
                 cmd = Base.julia_cmd()
                 @ccall execvp(cmd.exec[1]::Cstring,cmd.exec[2:end]::Ptr{Cstring})::Int32
       end
reexec (generic function with 1 method)

julia> reexec()
               _
   _       _ _(_)_     |  Documentation: https://docs.julialang.org
  (_)     | (_) (_)    |
   _ _   _| |_  __ _   |  Type "?" for help, "]?" for Pkg help.
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 1.7.0-beta3.0 (2021-07-07)
 _/ |\__'_|_|_|\__'_|  |  release-1.7/e76c9dad42 (fork: 68 commits, 71 days)
|__/                   |
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