I tried it (adding both the extra PATH path, and the path of the library it couldn't find), but that didn't seem to help either.
On 8 May 2015 at 15:17, Isaiah Norton <[email protected]> wrote: > I'm also a bit surprised that it doesn't work. You could try calling > AddDllDirectory first: > > https://msdn.microsoft.com/en-us/library/windows/desktop/hh310513(v=vs.85).aspx > > On Fri, May 8, 2015 at 10:12 AM, Simon Byrne <[email protected]> wrote: >> >> As a follow up, here's some code (which requires that R be installed): >> >> ENV["PATH"] = ENV["PATH"]*";C:\\Program Files\\R\\R-3.2.0\\bin\\x64\\" >> const libR = "C:\\Program Files\\R\\R-3.2.0\\bin\\x64\\R.dll" >> argv = ["REmbed"] >> >> println(ccall((:Rf_initEmbeddedR,libR),Cint,(Cint,Ptr{Ptr{Uint8}}),length(argv),argv)) >> >> >> If I run this as a script, I get an error message (unable to load shared >> library). However if I first set >> >> PATH=PATH;C:\Program Files\R\R-3.2.0\bin\x64 >> >> then run the script (from within the same command prompt session), the >> error goes away. >> >> Any ideas? >> >> Simon >> >> >> On Friday, 8 May 2015 09:55:29 UTC+1, Simon Byrne wrote: >>> >>> I'm trying to understand how ENV works (at least on Windows): >>> >>> I'm trying to ccall a library that requires a particular addition to >>> "PATH". If I do this externally (through the Windows menus) it works okay, >>> but not via ENV["PATH"]. I assume that this means that ENV only changes the >>> local process? If so, is there anyway I can modify the system variable from >>> within Julia? >>> >>> -Simon > >
