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thewoolleyman/stdout_and_stderr_examples.md

Created March 8, 2018 21:48
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STDOUT and STDERR examples
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stdout_and_stderr_examples.md

helpful one-liner examples for testing STDOUT and STDERR:

Print only stdout: ruby -e 'i=$stderr.puts("err"); $stderr.flush; $stdout.puts("out"); $stdout.flush; exit' 2>/dev/null

Print only stderr: ruby -e 'i=$stderr.puts("err"); $stderr.flush; $stdout.puts("out"); $stdout.flush; exit' 1>/dev/null

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