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Annotation of 43BSD/contrib/icon/book/f/exor2.icn, revision 1.1.1.1

1.1       root        1: procedure exor(s1,s2)
                      2:    count := 0
                      3:    while line := read() do
                      4:       if find(s1,line) then {
                      5:          if not find(s2,line) then count := count + 1
                      6:          }
                      7:       else if find(s2,line) then count := count + 1
                      8:    return count
                      9: end

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