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217 points tanelpoder | 1 comments | 17 Mar 21 14:38 UTC | HN request time: 0.241s | source

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scudd ◴[17 Mar 21 15:54 UTC] No.26492906[source]▶

TIL: You can use `echo $?` to get the last process's exit code.

1. cmehdy ◴[17 Mar 21 16:19 UTC] No.26493264[source]▶

A good summary of the most frequent things like that: https://stackoverflow.com/a/5163260

(Although they're sometimes tricky to use without more careful consideration.. like everything with bash and other shells really..)

Do not use redirection characters in your shell prompt