Each IF function in an Excel spreadsheet returns one of two messages. The first -- the "if" message -- displays if cells meet criteria that you specify. The second -- the "otherwise" message -- ...

Excel's IF function validates a cell's contents, determining whether it meets criteria that you set. It provides no information beyond what your workbook already contains, but it analyzes the data ...

There are a lot more ways to check files using if commands than many of us realize. Although this information is included in the bash man page, that man page has thousands of lines and you could ...