pkgsrc/devel/py-scandir/DESCR

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scandir() is a directory iteration function like os.listdir(),
except that instead of returning a list of bare filenames, it yields
DirEntry objects that include file type and stat information along
with the name. Using scandir() increases the speed of os.walk() by
2-20 times (depending on the platform and file system) by avoiding
unnecessary calls to os.stat() in most cases.