Soundex Conversion (S)
The S (Soundex) conversion code returns the Soundex code for a supplied character string.
The full format of this conversion code is
The S code applies the Soundex algorithm to the data string, returning a four character sound code. For details of the Soundex algorithm, see the SOUNDEX() function.
A file has a customer name. The S conversion can be used to show the equivalent sound code.