> This code will be a nightmare to debug when there's a few thousand lines of similar redirections. :/ It is. The SConstruct build tool is a prime example of

> This code will be a nightmare to debug when there's a few thousand lines of similar redirections. :/ It is. The SConstruct build tool is a prime example of this technique being used so much that it hampers debugging. Using this pattern successfully requires hard discipline; you have to concentrate to keep your code readable.