Quick Linux tip💡 🐧
In Linux, the pipe(|) is very useful if you want to redirect the output of one command to serve as input to the next for further processing. However, this doen't redirect its errors.
What if you want to redirect and process both errors and normal output🤔
In Linux, the pipe(|) is very useful if you want to redirect the output of one command to serve as input to the next for further processing. However, this doen't redirect its errors.
What if you want to redirect and process both errors and normal output🤔
This is where this "|&" rediction operator comes in handy.
This operator sends both standard output (stdout) and standard error (stderr) of the first command over a pipe to standard input (stdin) of the second command:
$ ls nonexistent-dir |& grep "No such file or directory"
This operator sends both standard output (stdout) and standard error (stderr) of the first command over a pipe to standard input (stdin) of the second command:
$ ls nonexistent-dir |& grep "No such file or directory"
The "|&" redirection operator in bash is a shorthand for the "2>&1 |" operator.
$ command1 2>&1 | command2
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$ command1 2>&1 | command2
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