Created
June 23, 2017 08:14
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Separates Ruby PTY spawn stderr from stdout
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| require "pty" | |
| stderr_reader, stderr_writer = IO.pipe | |
| args = ["-c", "read a; echo was: $a; echo err:$a >&2"] | |
| stdout,stdin,pid = PTY.spawn("/bin/bash", *args, err: stderr_writer.fileno) | |
| stderr_writer.close | |
| stdin.puts "hello" | |
| puts stdout.read | |
| puts stderr_reader.read |
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Thx for
stderr! https://gist.github.com/pre/67c04d0a64abc1929c9ef9ffd3c4469c