I would've done call-foo > out-and-error.txt 2> out-and-error.txt; I've never heard of 2>&1 or &>. Very cool! Thanks for that!
call-foo > out-and-error.txt 2> out-and-error.txt
What would be a practical application of print stdout and stderr to the same file?
Openssl prints diagnostic info to stderr and certificate info to stdout. If you want them both in the same filter stream, &> is very handy. Or if you want them all in the same single log file
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