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7. The pipeline operator | turns the standard output (aka. stdout) of a command into the standard input (aka. stdin) of the next one. How
7. The pipeline operator | turns the standard output (aka. stdout) of a command into the standard input (aka. stdin) of the next one. How can I turn the standard error (aka. stderr), and only that, into the standard input? Do so by first redirecting stderr to stdout, then redirecting stdout to /devull, then using the pipeline. Do an example with a first command that yields an error (e.g., cd to a non-existing directory), and tr of some character to another as the second command. 7. The pipeline operator | turns the standard output (aka. stdout) of a command into the standard input (aka. stdin) of the next one. How can I turn the standard error (aka. stderr), and only that, into the standard input? Do so by first redirecting stderr to stdout, then redirecting stdout to /devull, then using the pipeline. Do an example with a first command that yields an error (e.g., cd to a non-existing directory), and tr of some character to another as the second command
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