The LOWER-CASE function returns a character string that is the same length as
argument-1 with each uppercase letter replaced by the corresponding lowercase letter. The type of this function is alphanumeric.
FUNCTION LOWER-CASE (argument-1)
||Must be class alphabetic or alphanumeric, and must be at least one character in length.
- The same character string as
argument-1 is returned, except that each uppercase letter is replaced by the corresponding lowercase letter.
- The character string returned has the same length as
- If the computer character set does not include lowercase letters, no changes take place in the character string.
- This function only translates characters with a numeric value of 0-128. Anything above that (such as é with a value of 130)
must be mapped to its associated upper- or lower-case character using the configuration variable UPPER-LOWER-MAP.
Note: This function is similar to the library routine C$TOLOWER except that the original data is not modified, and the entire string
- The returned value can be reference modified. For example:
MOVE FUNCTION LOWER-CASE(FILE-NAME)(1:4) TO TMP-STRING.