redis_study/deps/lua/test/env.lua
2020-09-05 12:01:22 +08:00

8 lines
181 B
Lua

-- 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)