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Text File  |  1990-06-04  |  197 b   |  12 lines
  1. # calculate and print the factorial of the input
  2.  
  3. function factorial(n) {
  4.     if (n <= 1)
  5.         return 1
  6.     else
  7.         return n * factorial(n - 1)
  8. }
  9. {
  10.     print $1, factorial($1)
  11. }
  12.