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==========================       EXAMPLE # 2       ============================
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THE INPUT FILE:  Inventory report, generated by an accounting program

WHAT WE WANT:    Copy certain fields into a comma-delimited file so that the
                 data can then be imported into a spreadsheet.  The file must
                 contain the following fields:

                 Reference number, Price, Quantity, Part Number, Description

HOW WE DO IT:    We copy data from fixed columns, tidy them up, put quotes
                 around them, then send them to the output file.  However,
                 certain lines must be inspected to ensure that they contain
                 valid data.  For example, if a line contains "Date:" between
                 columns 1 and 8, it is a header line, not data.

                 Since the input data for each item is spread over more than
                 one line, we must also keep a counter (named ITEMCNTR) to
                 tell us which line we're looking at.