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Text File  |  1987-12-09  |  238b  |  9 lines
  1. NF == 2 { a[$1] += $2; b[$1]++
  2.           printf "%-6s %3d %3d %3d\n", $1, $2, a[$1], b[$1] >$1
  3.         }
  4. END     { print ""
  5.           for (i in a)
  6.                 printf "%-6s %3d %6.1f %3d\n", i, a[i], a[i]/b[i], b[i]
  7.         }
  8.  
  9.