DELSTR string,start,length
A substring is deleted from string, from position delimited by start and length (that is mandatory).
Note that string length is unchanged, at right end of the string spaces are added.
Param. Name Mode Type coding Remark 1 string Input/Output String C or X String by which delete; max length 255 char. 2 start Input Integer F or H or const. Start inside 2nd parameter; first character has position 1 3 length Input Integer F or H or const.
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