update ceph source to reef 18.1.2

[ceph.git] / ceph / src / jaegertracing / opentelemetry-cpp / third_party / prometheus-cpp / 3rdparty / civetweb / src / third_party / lua-5.1.5 / test / env.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)