F$EXTRACT() is a lexical function that extracts the specified characters from the specified string.
F$EXTRACT(start,length,string) Start is the character number where the extracted substring should start. The numbering starts at 0. Length is the length of the extracted substring in characters. String is the string that the substring should be extracted from.
$ NAME = "PAOLO TESTA" $ FIRST = F$EXTRACT(0,5,NAME) $ SHOW SYMBOL FIRST FIRST = "PAOLO"