Name
function::substr —
Returns a substring
Synopsis
substr:string(str:string,start:long,length:long)
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).