41 lines
1.2 KiB
Lua
41 lines
1.2 KiB
Lua
io = {}
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function io.open(path,mode) -- string string -- table -- Open file *path* in *mode*. Returns a buffer object.
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local f,e = fs.open(path, mode)
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if not f then return false, e end
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return buffer.new(mode,f)
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end
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function io.input(fd) -- table -- table -- Sets the default input stream to *fd* if provided, either as a buffer as a path. Returns the default input stream.
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if type(fd) == "string" then
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fd=io.open(fd,"rbt")
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end
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if fd then
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os.setenv("STDIN",fd)
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end
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return os.getenv("STDIN")
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end
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function io.output(fd) -- table -- table -- Sets the default output stream to *fd* if provided, either as a buffer as a path. Returns the default output stream.
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if type(fd) == "string" then
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fd=io.open(fd,"wb")
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end
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if fd then
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os.setenv("STDOUT",fd)
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end
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return os.getenv("STDOUT")
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end
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function io.read(...) -- Reads from the default input stream.
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return io.input():read(...)
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end
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function io.write(...) -- Writes its arguments to the default output stream.
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io.output():write(...)
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end
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function print(...) -- Writes each argument to the default output stream, separated by space.
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for k,v in ipairs({...}) do
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io.write((k>1 and "\t" or "")..tostring(v))
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end
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io.write("\n")
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end
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