// 
// Here is a sample command file for a bag 
// of strings
//

ADD hello
ADD goodbye

ADD hello
ADD hello
DISTINCT

PRINT
COUNT
OCCURS hello
OCCURS goodbye
OCCURS oh no
ADD bob

REMOVE hello
MAX
PRINT


//
// Here is the output that might be generated for the command file above.
// Note that all commands are echoed.
//
ADD hello
ADD goodbye
ADD hello
ADD hello
DISTINCT
    The bag contains 2 distinct item(s)

PRINT
    The bag contains 4 item(s)
    The bag contains 2 distinct item(s)
    (3) hello
    (1) goodbye

COUNT
    The bag contains 4 item(s)

OCCURS hello
    There are 3 item(s) with value hello

OCCURS goodbye
    There are 1 item(s) with value goodbye

OCCURS oh no
    There are 0 item(s) with value oh no

ADD bob
REMOVE hello
REMOVE mary
    mary is not in the bag

MAX
    hello occurs the maximum number of times (2)

PRINT
    The bag contains 4 item(s)
    The bag contains 3 distinct item(s)
    (2) hello
    (1) goodbye
    (1) bob