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Annotation of 43BSD/contrib/icon/book/09/copy3.icn, revision 1.1.1.1

1.1       root        1: procedure main()
                      2:    writes("specify input file: ")
                      3:    repeat {
                      4:       if intext := open(read()) then break
                      5:       writes("cannot open input file, respecify: ")
                      6:       }
                      7:    writes("specify output file: ")
                      8:    repeat {
                      9:       if outtext := open(read(),"w") then break
                     10:       writes("cannot open output file, respecify: ")
                     11:       }
                     12:    while write(outtext,read(intext))
                     13: end

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