| 1 | #!/usr/bin/awk -f |
| 2 | |
| 3 | # Usage: awk -f fib.awk n=10 iters=3 |
| 4 | |
| 5 | BEGIN { |
| 6 | |
| 7 | iters = ARGV[1] ? ARGV[1] : 5 |
| 8 | n = ARGV[2] ? ARGV[2] : 10 |
| 9 | |
| 10 | i = 0 |
| 11 | while (i < iters) { |
| 12 | |
| 13 | # Initialize first two numbers |
| 14 | a = 1 |
| 15 | b = 1 |
| 16 | |
| 17 | j = 0 |
| 18 | |
| 19 | while (j < n) { |
| 20 | tmp = b |
| 21 | b = a + b |
| 22 | a = tmp |
| 23 | |
| 24 | j++ |
| 25 | } |
| 26 | print b |
| 27 | |
| 28 | i++ |
| 29 | } |
| 30 | |
| 31 | } # BEGIN |