2019-01-08 02:01:07 -05:00
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function loadfile(p) -- reads file *p* and returns a function if possible
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2018-11-02 12:05:41 -04:00
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local f = fs.open(p,"rb")
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local c = f:read("*a")
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f:close()
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return load(c,p,"t")
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end
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2019-01-08 02:01:07 -05:00
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function runfile(p,...) -- runs file *p* with arbitrary arguments in the current thread
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return loadfile(p)(...)
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2018-11-02 12:05:41 -04:00
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end
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2019-01-08 02:01:07 -05:00
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function spawnfile(p,n) -- spawns a new process from file *p* with name *n*
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return os.spawn(loadfile(p),n)
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end
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function require(f) -- searches for a library with name *f* and returns what the library returns, if possible
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local lib = os.getenv("LIB") or "/boot/lib"
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for d in lib:gmatch("[^\n]+") do
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if fs.exists(d.."/"..f) then
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return runfile(d.."/"..f)
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elseif fs.exists(d.."/"..f..".lua") then
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return runfile(d.."/"..f..".lua")
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end
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end
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error("library not found: "..f)
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2018-11-02 12:05:41 -04:00
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end
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