Hei, In Julia 1.4, in Atom-IDE’s REPL, Windows, Julia and I have the following dialog julia> run(`echo hello`) ERROR: IOError: could not spawn `echo hello`: no such file or directory (ENOENT) Stacktrace: [1] _spawn_primitive(::String, ::Cmd, ::Array{Any,1}) at .\process.jl:99 [2] #550 at .\proce…

Use /c instead of /k /C Carries out the command specified by string and then terminates /K Carries out the command specified by string but remains

[image] Philippe_Maincon1: The command I type is straight from Julia’s manual, so I am baffled. Any idea? echo is not a program that is available in the Windows command path by default. (It’s a Unix thing.)

In Linux echo is an application. In windows it’s a feature of the cmd console. Try run(`cmd /k echo hello`)

I did open a cmd prompt, and echo hello worked wonders. And your suggestion works. :grinning: So this means my first attempt sends a command to another shell, while yours sends a command to the same shell I opened?

One of these days it would be nice to get reasonable shell functionality on Windows by default. We’ve been back and forth on many different possible solutions, but the simplest seems to be to ship with busybox and put that in the path: see this comment by @StefanKarpinski . Not a lot of people want…

run(`cmd /k dir´) does not work. Though run(`cmd /k´) switches to a shell, ctrl-c to exit. …but that does not help to have Julia code generate DOS commands. Steven, I’ll look at the winsomely thing. Thanks, I’ll go get myself Linux… :slightly_smiling_face:

[image] Philippe_Maincon1: run(`cmd /k dir´) That didn’t work?!?!? That should have worked. It works on my 1.5.3. :confused:

[image] Philippe_Maincon1: So this means my first attempt sends a command to another shell, while yours sends a command to the same shell I opened? Not really: Julia doesn’t use a shell to run a program. It just runs the program directly. With run(`echo hello`) you ask Julia to execute the…

try Shell.jl? GitHub - innerlee/Shell.jl: Run shell commands becomes easy in Julia!

[image] stevengj: Not a lot of people want to work on it, though. Seems like basically we’d need a PR that reverts #30022 (to re-include busybox on Windows) and then adds it to the command path.

If one actually needs an echo program on Windows, I got one when installing git, C:\Program Files\Git\usr\bin\echo.exe.

Fail to run shell command

New to Julia

PetrKryslUCSD February 18, 2021, 4:55pm 13

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Fail to run shell command

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