Have you ever had to use bit shifting in real projects?

Question

Have you ever had to use bit shifting in real programming projects? Most (if not all) high level languages have shift operators in them, but when would you actually need to

Answer 1

I once (many, many years ago) wrote an output routine for a project which created Excel Spreadsheets using the Excel Oper structure. This was a binary file formant which required a large amount of bit twiddling. The following link gives a flavour of the Oper structure Safari Books.