On 08/24/2014 09:03 PM, simendsjo wrote:
> I don't know the arguments for my process before reading some of stdin.
> I was thinking I could solve this by creating a temporary file as a
> "stdin buffer" while I found out the correct argument and could launch
> the process. Unfortunately, this fails.
>
> Error: 'object.Exception@std/stdio.d(2070): Enforcement failed'.
>
> The enforcment that fails:
> enforce(f._p && f._p.handle);
> in LockingTextWriters ctor where f is the passed in File.
>
> Test code:
>
> import std.stdio, std.process;
> void main() {
> auto f = File.tmpfile();
> f.write("works");
> auto pid = spawnProcess(["echo"], f);
> f.write("fails");
> }
>
Never mind. I just found that I can set up a pipe
auto f = pipe()
and then use f.readEnd
