forked from izaya/OC-PsychOS2
added comments to applicable functions
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c27b20bc59
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f6a405d886
@ -2,14 +2,14 @@ fs = {}
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fs.mounts = {}
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-- basics
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function fs.segments(path)
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function fs.segments(path) -- splits *path* on each /
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local segments = {}
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for segment in path:gmatch("[^/]+") do
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segments[#segments+1] = segment
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end
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return segments
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end
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function fs.resolve(path)
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function fs.resolve(path) -- resolves *path* to a specific filesystem mount and path
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if not path or path == "." then path = os.getenv("PWD") end
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if path:sub(1,1) ~= "/" then path=(os.getenv("PWD") or "").."/"..path end
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local segments, rpath = fs.segments(path), "/"
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@ -46,7 +46,7 @@ local function fclose(self)
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fs.mounts[self.fs].close(self.fid)
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end
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function fs.open(path,mode)
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function fs.open(path,mode) -- opens file *path* with mode *mode*
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mode = mode or "rb"
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local fsi,path = fs.resolve(path)
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if not fs.mounts[fsi] then return false end
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@ -63,7 +63,7 @@ function fs.open(path,mode)
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return false
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end
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function fs.copy(from,to)
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function fs.copy(from,to) -- copies a file from *from* to *to*
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local of = fs.open(from,"rb")
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local df = fs.open(to,"wb")
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if not of or not df then
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@ -74,7 +74,7 @@ function fs.copy(from,to)
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of:close()
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end
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function fs.rename(from,to)
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function fs.rename(from,to) -- moves file *from* to *to*
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local ofsi, opath = fs.resolve(from)
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local dfsi, dpath = fs.resolve(to)
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if ofsi == dfsi then
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