bash.md

bash

For some examples see powercontrol-client.

Process substitution

https://tldp.org/LDP/abs/html/process-sub.html

cat $(./command)

Can also return file descriptors for stdin and stdout with >(COMMAND) and <(COMMAND).

tee

Can use tee to "multiplex" streams, see e.g. https://unix.stackexchange.com/a/47514

https://www.man7.org/linux/man-pages/man1/tee.1.html

Everything except X "wildcard"

rm !(dontdeletethis.md)

https://www.putorius.net/run-rm-command-but-exclude-one-file.html