CSC 271-Software I : Utilities and Internals

Dr. R. M. Siegfried

Assignment #8 - Working With Filters

Due Wednesday, October 11, 2017

  1. Use ls and sort to sort files based on number of bytes (using the -k7 to skip columns)- and don't worry if the numbers are sorted by collating sequence instead of numerically.
  2. Use ls and fgrep to list the files created in September.
  3. Use tr to invert the case in a file with 5-10 lines of text.
  4. Given the list of names below, combine UNIX commands and filters to display the number of people named John, Robert, Katherine (or Catherine ).
    5. John Adams                           George Washington
Catherine Bach                       Robert E. Lee
Katherine Smith                      David Blake
John Smith                           Emily Post
John Patrick Kelly                   Everett Smith
Martin Short                         Howard Tall

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