NUM(

General Form:

     NUM(alpha_variable)

The NUM( function is used to determine the number of sequential ASCII characters in the specified alpha variable that form an acceptable number.

The characters considered to be numeric by the NUM( function are as follows:

     leading, trailing and embedded blanks
     digits 0 to 9
     decimal point (.)
     minus, or plus sign
     letters e or E (Exponential)

Syntax example:

new = NUM(FLD(file$.number$))