[alanfranz]

> If you're a long-time user of macOS you should be aware by now that it uses a case-sensitive filesystem.

No, by default it's case-insensitive.

[filleduchaos]

Yes on a second read I meant a case-preserving, not case-sensitive filesystem. The results that `ls` gets are cased and so pattern matching (which is case sensitive by default) on those results will fail with the wrong casing.