local tank = peripheral.wrap(<side in quotes>) --# wrap the tank as a peripheral
local tankInfo = tank.getTankInfo("unknown") --# get the tank info
local tankStats = tankInfo[1] --# store the first table returned
print tankStats.rawName --# print the raw name of the fluid in the tank
print tankStats.amount --# print the amount in the tank
print tankStats.capacity --# print the capacity of the tank