function::substr
function::substr Name function::substr - Returns a substring Synopsis Arguments str the string to take a substring from start starting position of the extracted string (first character is 0) length length of string to return Description Returns the substring of the given string at the given start position with the given length (or smaller if the length of the original string is less than start + length, or length is bigger than MAXSTRINGLEN).
substr:string(str:string,start:long,length:long)