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I wanted to know the difference between the following two commands

2>&1 | tee output.log

and

|& tee output.log

Looking for pipes to save command's output I've reached this explanation. I've been using the former, but now I wonder if the latter saves typing with same result or there's something I don't understand (or I don't know).

Thanks.

2

man bash

If |& is used, command's standard error, in addition to its standard output, is connected to command2's standard input through the pipe; it is shorthand for 2>&1 |.

So no difference.

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