Get the output when there's an error? #29
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Hi! Is it possible to fetch the output (std and err) from when command fails? Thanks :) |
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My original thought was that if command failed, then the output was not reliable anymore, so it was better to just return error. Do you have a concrete example about such usage ? I guess you can use |
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My usage is I'm running tests against a binary to see how well the CLI acts, and I want to know the output so that I can let the user know why the test failed. I ended up using logging and forcing the level to If I want to try something a bit nicer I'll try out the If you're curious, the cli test lives in https://github.com/feeless/feeless/tree/main/examples/cli where Thanks for the awesome crate. Keep up the good work! :) |
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My original thought was that if command failed, then the output was not reliable anymore, so it was better to just return error. Do you have a concrete example about such usage ?
I guess you can use
spawn!(xxx 2>&1)?.wait_with_pipe(&mut |pipe| {...})for now. In the future, I could add a builtin commandignorefor such cases, similar to rustup install script.