shithub: sox

ref: 11eccd5a11cdbe1b7caf642901d85368a1ebc4d9
dir: /lua/test/env.lua/

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-- read environment variables as if they were global variables

local f=function (t,i) return os.getenv(i) end
setmetatable(getfenv(),{__index=f})

-- an example
print(a,USER,PATH)