↳ In-reply-to » @movq When I look in my twtxt maildir for duplicated messages they all have F in their name.

@prologic@twtxt.net

(#el7d3ja) I believe glob () is an O(n) algorithm
Yes, I see. But don’t underestimate OS caching for files and directories!
If you look up files in the same directory many times then OS may use cached results from earlier lookups.
I’m not totally sure but I believe this is how things work for both, Windows and Linux at least.