Suppose I have these files:
foo/bar/baz/test.js
foo/bar/baz/test.min.js
If I run:
shopt -s globstar
shopt -s extglob
echo foo/bar/**/*!(.min).js
...that will nonetheless match the test.min.js file.
How do I ignore it?
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1No, @Fravadona, please add them. Comments are easy to miss, hard to read and can be deleted without warning. Please add the explanation to the actual answer.terdon– terdon ♦2024-12-13 12:27:29 +00:00Commented Dec 13, 2024 at 12:27
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1 Answer
In an extglob, !(.min) matches anything that isn't exactly .min (as long it doesn't contain a /), and that includes the empty string!!!
So, when you test foo/bar/baz/test.min.js against the extglob foo/bar/**/*!(.min).js you get a hit because:
foo/bar/matchesfoo/bar/**/matchesbaz/*matchestest.min!(.min)matches the empty string.jsmatches.js
If the meaning that you want from !(.min) is in fact "anything that doesn't end with .min" then, in spoken language, that is the negation of "anything that ends with .min" (which translates to *.min in glob terms); so you just have to use !(*.min) to fix your issue:
foo/bar/**/!(*.min).js
