| Vladimir Dronnikov | dce3a7a | 2009-10-16 16:25:19 +1100 | [diff] [blame] | 1 | |
| 2 | # This filter requires one command line option of form -vN=n | ||||
| 3 | # where n must be a decimal number. | ||||
| 4 | # | ||||
| 5 | # Repeat each input line containing $$ n times, replacing $$ with 0...n-1. | ||||
| 6 | # Replace each $# with n, and each $* with a single $. | ||||
| 7 | |||||
| 8 | BEGIN { | ||||
| 9 | n = N + 0 | ||||
| 10 | } | ||||
| 11 | { | ||||
| 12 | if (/\$\$/) { rep = n } else { rep = 1 } | ||||
| 13 | for (i = 0; i < rep; ++i) { | ||||
| 14 | tmp = $0 | ||||
| 15 | gsub(/\$\$/, i, tmp) | ||||
| 16 | gsub(/\$\#/, n, tmp) | ||||
| 17 | gsub(/\$\*/, "$", tmp) | ||||
| 18 | print tmp | ||||
| 19 | } | ||||
| 20 | } | ||||