The Guide is definitive. Reality is frequently inaccurate.
Unlike in other programming languages, in
awk variables do not have a
fixed type. Instead, they can be either a number or a string, depending
upon the value that is assigned to them.
We look now at how variables are typed, and how
|• Variable Typing||String type versus numeric type.|
|• Comparison Operators||The comparison operators.|
|• POSIX String Comparison||String comparison with POSIX rules.|