Validating user input in shell script
Couple that insight with the ability to reference a different script inline ( #!
/bin/sh # validfloat -- Tests whether a number is a valid floating-point value.
Power Shell provides ways to validate acceptable parameter input for a function or a script.
If you have taken an introductory computer science or programming course, you have learned first-hand about the importance of validating the values of parameters passed into your script, function, or program.
The benefits to using parameter validation attributes is two-fold.