NetEx EFT213 Reference Manual Rel 5.4

LEN FunctionThe LEN function returns the count of characters that make up the specified string.Format:Where:stringExamples:len(string)a string expression in the form of a variable, literal, or function.Display the number of characters in “ABCDE”:eFT> text {len(“ABCDE”)}eFT: 5Display the length of the results of the DATE() string function:eFT> text Length = {len(date())}eFT: Length = 16Display only the year portion of the system date by subtracting three from the length of the date and then extractingthe last four characters:eFT> text Year: {ext(date(),sub(len(date()),3),len(date()))}eFT: Year: 2011A simpler form of the example above is:eFT> text Year: {ext(date(),-3,0)}eFT: Year: 2011Page 80 Advanced Local User’s Guide REF-eFT213-R5.4-08