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Text File  |  1987-07-08  |  390 b   |  6 lines
  1. mid ( word block, position, length )
  2. extract substring
  3.  
  4. word block—source block from which string will be extracted; position—number block indicating beginning position of words to be extracted;  length—number block indicating the number of characters to be extracted.
  5.  
  6. mid creates a word block containing the words that have been extracted. Result is the same size as word block argument.