Here’s an iterator alternative to io/fs WalkDir:
https://kr.dev/walk
Russ made an effort[1] to do something along these lines in the
standard library, and I guess folks weren’t able to reach consensus on
what it should look like. That’s understandable. But I still like the
iterator style, so here’s my take on it!
A while back[2] I did something similar with filepath.Walk. This new
one incorporates as much as I could out of the feedback from last
time. (Which I prolly should’ve done in the older one too. 😅)
- SkipParent skips the rest of the directory containing the
current item. (Thanks for the suggestion Rog!)
- The next method is called Next this time, not Step. (Thanks again Rog!)
Like the old kr/fs, kr.dev/walk tries to hew closely to how the
standard library works. There should be no big surprises, it’s just a
re-skin. (The only real difference I can see: in io/fs, SkipDir means
two different things depending on whether the current entry is a
directory, but in kr.dev/walk, we have SkipDir and SkipParent and each
always does the same thing.)
Right now v0.1.0 is tagged. I don’t foresee big changes. If a few days
pass without any, I’ll tag v1.0.0. I am tempted to steal some of the
interface changes Russ made in 41974. Especially Rel. Maybe replacing
Entry with its methods IsDir, Type, etc.
Thoughts?
[1] https://github.com/golang/go/issues/41974
[2] https://groups.google.com/g/golang-nuts/c/jmCfMnm7uy4/m/_TY3W_H2LfwJ
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