===============================================================================
========================== ============================
========================== EXAMPLE # 1 ============================
========================== ============================
===============================================================================
THE INPUT FILE: "John Doe's List of Things to Do This Week"
WHAT WE WANT: Extract from the file only those items that are not yet done.
HOW WE DO IT: We ignore any lines that contain a space, X or P in column 2.
This gives us what we want because:
� A space is found in column 2 on all descriptive lines.
� An "X" is found there on items that are "Done"
� A "P" is found there on items that are "Postponed"