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How can I redirect stderr to a pipe?

pipe redirect stderr
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How can I redirect stderr to a pipe?

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A pipe can only carry standard output (stdout) of a program. To pipe standard error (stderr) through it, you need to redirect stderr to the same destination as stdout. Optionally you can close stdout or redirect it to /dev/null to only get stderr.

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A pipe can only carry standard output (stdout) of a program. To pipe standard error (stderr) through it, you need to redirect stderr to the same destination as stdout. Optionally you can close stdout or redirect it to /dev/null to only get stderr.

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