| 1 | /* Copyright (c) 1979 Regents of the University of California */ |
| 2 | #include "stdio.h" |
| 3 | /* |
| 4 | * number - a cat like program which prints lines like the editor '#'' command |
| 5 | * |
| 6 | * Bill Joy UCB June 28, 1977 |
| 7 | */ |
| 8 | |
| 9 | int lino; |
| 10 | |
| 11 | main(argc, argv) |
| 12 | int argc; |
| 13 | char *argv[]; |
| 14 | { |
| 15 | register c; |
| 16 | register lastc; |
| 17 | |
| 18 | argc--, argv++; |
| 19 | do { |
| 20 | if (argc > 0) { |
| 21 | if (freopen(argv[0], "r", stdin) == NULL) { |
| 22 | perror(argv[0]); |
| 23 | exit(1); |
| 24 | } |
| 25 | argc--, argv++; |
| 26 | } |
| 27 | lastc = '\n'; |
| 28 | for (;;) { |
| 29 | c = getchar(); |
| 30 | if (c == -1) |
| 31 | break; |
| 32 | if (lastc == '\n') |
| 33 | printf("%6d ", ++lino); |
| 34 | lastc = c; |
| 35 | putchar(c); |
| 36 | } |
| 37 | } while (argc > 0); |
| 38 | exit(0); |
| 39 | } |