Bash: Redirect output and pipes

A short, tested Bash example for redirect output and pipes. Copy it and adjust the names and paths for your project.

Bash

cmd > out.txt          # overwrite
cmd >> out.txt         # append
cmd 2> err.txt         # errors only
cmd > all.txt 2>&1     # both
cmd > /dev/null 2>&1   # discard everything
cmd | tee out.txt      # show and save

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