Since hidden files on a Unix platform simply start with a period, it is trivial to create one using Common Lisp. Hidden files on Windows machines are defined differently. They have a file attribute that indicates whether they are hidden. How can one create these type of files using Common Lisp? I'm using Allegro CL on Windows.
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In pure Common Lisp, you probably can't. Allegro might give you a way to, though. – Joshua Taylor Jul 29 '14 at 20:56
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The ANSI CL standard offers no such functionality. Your vendor might provide it though.
How about file-hidden-p:
(setf (file-hidden-p "my-file") t)
PS. Note that I have not used Allegro for over 15 years. The information above is from Google:
- search for allegro lisp file attribute
- first hit
- click on PermutedIndex
- click on A and find
file-attributes - read the doc and see
file-hidden-p
Still, as I said before - do not hesitate to ask ;-)
sds
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