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Annotation of 43BSD/contrib/icon/samples/wordcount.icn, revision 1.1.1.1

1.1       root        1: #
                      2: #          W O R D   C O U N T I N G
                      3: #
                      4: 
                      5: #  This program tabulates the words in standard input and writes the
                      6: #  results with the words in a column 20 characters wide.  The definition
                      7: #  of a "word" is naive.
                      8: 
                      9: procedure main()
                     10:    wordcount(20)
                     11: end
                     12: 
                     13: procedure wordcount(n)
                     14:    local t, line, x, y
                     15:    static letters
                     16:    initial letters := &lcase ++ &ucase
                     17:    t := table(0)
                     18:    while line := read() do
                     19:       line ? while tab(upto(letters)) do
                     20:          t[tab(many(letters))] +:= 1
                     21:    x := sort(t)
                     22:    every y := !x do write(left(y[1],n),y[2])
                     23: end

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