Ruby:在一组脚本中共享公共变量和方法

I have a directory full of ruby scripts for common tasks, and I've started to accumulate a set of common variables and methods that I find myself defining in each new script. The next step in improving this would seem to be creating a file (say, commonstuff.rb) and "require"ing that file from the other scripts so that the common variables and methods are all available everywhere and defined only once.I have a directory full of ruby scripts for com