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refp.se on Hacker News

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Screenshot of refp.se: A shell exclamation mark is not for yelling. Be lazy

A shell exclamation mark is not for yelling. Be lazy (refp.se)

125 points by refp 2 months ago | 65 comments

Screenshot of refp.se: A shell colon does nothing. Use it anyway

A shell colon does nothing. Use it anyway (refp.se)

370 points by olexsmir 3 months ago | 155 comments

Blog post by Filip Roséen explaining the POSIX shell colon (no-op) builtin and practical tricks for using it in shell scripts.

shell posix unix shell-scripting