SOURCE - a piece of data to be processed (default = filename.ext)
SEARCH - a string to find
REPLACE - a string to replace
CASE - if "Y" or "YES" - case sensitive, otherwise not.
*VAR ANIMAL = "I like cats and dogs but don't like scrawls. But dogs are too spiteful".
Save to *XXV ANIMAL1:
Save to *XXV ANIMAL2:
Save to *XXV ANIMAL3:
Now *XXV ANIMAL3 has the following text:
"I like cats and birds but don't like scrawls. And birds are not spiteful".