4 ms·

The documentation for OF_EXISTS literally says it will open then close it. I leave to your imagination whether this updates the (very poorly defined) access tim

The documentation for OF_EXISTS literally says it will open then close it. I leave to your imagination whether this updates the (very poorly defined) access time or not, but for sure you "interfere" with other processes... If you want to get the access time, why don't you just query the access time? Which is likely the only thing almost universally guaranteed not to change it... And I'm sure VB6 has an API for that, considering that VBA had a global API for it (FileDateTime). (Which is, btw, yet another way to one-line check if a file exists).

Brian_K_White 2y ago
Did you confuse the file with it's containing directory? The way you probably did in your now-deleted comment claiming that stat() updated atime? Citation needed. https://learn.microsoft.com/en-us/dotnet/api/system.io.file.exists?view=net-8.0 https://learn.microsoft.com/en-us/dotnet/api/system.io.file.... doesn't warn of any such thing.
- deleted 2y ago
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- AshamedCaptain 2y ago
  > Did you confuse the file with it's containing directory? No. > Citation needed. https://learn.microsoft.com/en-us/dotnet/api/system.io.file https://learn.microsoft.com/en-us/dotnet/api/system.io.file.... doesn't warn of any such thing. https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-openfile https://learn.microsoft.com/en-us/windows/win32/api/winbase/... OF_EXIST: Opens a file and then closes it.
  - Brian_K_White 2y ago
    It's literally open file ! Are you dense? OpenFile() opens the file??? c'est incroyable! OF_EXISTS is just a side effect of some actual operation. It's some related info you you get along the way. You would not use that as the way to only check the file. Holy cow. Please do continue trying to spread the wisom.
    - AshamedCaptain 2y ago
      You are the one claiming that OpenFile(OF_EXIST) does not open the file. Scroll a bit above. My initial comment was: > In fact, I imagine File.Exists()/OF_EXISTS also opens the file (then immediately closes it).
      - Brian_K_White 2y ago
        "You are the one claiming that OpenFile(OF_EXIST) does not open the file." I never said any such thing. Yet another trivially verified false statement. Fits the pattern.
        AshamedCaptain 2y ago
        Hey, I am also a fan of the argument clinic sketch from Monty Python. Let me try to jump in: If you didn't say any such thing, then why did you bother countering my comment at https://news.ycombinator.com/item?id=42107195 https://news.ycombinator.com/item?id=42107195 ? Aha! Gotcha!
        Brian_K_White 2y ago
        What gotcha? I never said, either explicitly nor implicitly, that File.Exists() modifies access time. There is nothing there in that comment nor it's parent. OF_EXISTS is not a thing by itself. It does not "open a file and then close it" which is a ridiculous and incorrect thing you DID actually say. OF_EXISTS is just a bitmask flag that can be returned by several functions, including ones that open files. You have said a continuos string of incorrect things and employed invalid logic this whole time, and this yet again fits. correction: you said opens a file and closes it about OF_EXIST the bitmask flag to tell OpenFile() how you want to open it. Slightly less ridiculous, yet still not a thing that opens a file, OpenFile() opens the file.
    - deleted 2y ago
      [deleted]

Brian_K_White 2y ago

Did you confuse the file with it's containing directory? The way you probably did in your now-deleted comment claiming that stat() updated atime? Citation needed. https://learn.microsoft.com/en-us/dotnet/api/system.io.file.exists?view=net-8.0 https://learn.microsoft.com/en-us/dotnet/api/system.io.file.... doesn't warn of any such thing.

deleted 2y ago
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AshamedCaptain 2y ago
> Did you confuse the file with it's containing directory? No. > Citation needed. https://learn.microsoft.com/en-us/dotnet/api/system.io.file https://learn.microsoft.com/en-us/dotnet/api/system.io.file.... doesn't warn of any such thing. https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-openfile https://learn.microsoft.com/en-us/windows/win32/api/winbase/... OF_EXIST: Opens a file and then closes it.
- Brian_K_White 2y ago
  It's literally open file ! Are you dense? OpenFile() opens the file??? c'est incroyable! OF_EXISTS is just a side effect of some actual operation. It's some related info you you get along the way. You would not use that as the way to only check the file. Holy cow. Please do continue trying to spread the wisom.
  - AshamedCaptain 2y ago
    You are the one claiming that OpenFile(OF_EXIST) does not open the file. Scroll a bit above. My initial comment was: > In fact, I imagine File.Exists()/OF_EXISTS also opens the file (then immediately closes it).
    - Brian_K_White 2y ago
      "You are the one claiming that OpenFile(OF_EXIST) does not open the file." I never said any such thing. Yet another trivially verified false statement. Fits the pattern.
      - AshamedCaptain 2y ago
        Hey, I am also a fan of the argument clinic sketch from Monty Python. Let me try to jump in: If you didn't say any such thing, then why did you bother countering my comment at https://news.ycombinator.com/item?id=42107195 https://news.ycombinator.com/item?id=42107195 ? Aha! Gotcha!
        Brian_K_White 2y ago
        What gotcha? I never said, either explicitly nor implicitly, that File.Exists() modifies access time. There is nothing there in that comment nor it's parent. OF_EXISTS is not a thing by itself. It does not "open a file and then close it" which is a ridiculous and incorrect thing you DID actually say. OF_EXISTS is just a bitmask flag that can be returned by several functions, including ones that open files. You have said a continuos string of incorrect things and employed invalid logic this whole time, and this yet again fits. correction: you said opens a file and closes it about OF_EXIST the bitmask flag to tell OpenFile() how you want to open it. Slightly less ridiculous, yet still not a thing that opens a file, OpenFile() opens the file.
  - deleted 2y ago
    [deleted]