| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini Cat implementation for busybox |
| * |
| * Copyright (C) 1999,2000 by Lineo, inc. |
| * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include "internal.h" |
| #include <stdio.h> |
| |
| |
| static void print_file(FILE * file) |
| { |
| int c; |
| |
| while ((c = getc(file)) != EOF) |
| putc(c, stdout); |
| fclose(file); |
| fflush(stdout); |
| } |
| |
| extern int cat_main(int argc, char **argv) |
| { |
| FILE *file; |
| |
| if (argc == 1) { |
| print_file(stdin); |
| exit(TRUE); |
| } |
| |
| if (**(argv + 1) == '-') { |
| usage("cat [FILE ...]\n" |
| #ifndef BB_FEATURE_TRIVIAL_HELP |
| "\nConcatenates FILE(s) and prints them to the standard output.\n" |
| #endif |
| ); |
| } |
| argc--; |
| |
| while (argc-- > 0 && *(argv++) != '\0' && strlen(*argv)) { |
| file = fopen(*argv, "r"); |
| if (file == NULL) { |
| perror(*argv); |
| exit(FALSE); |
| } |
| print_file(file); |
| } |
| exit(TRUE); |
| } |
| |
| /* |
| Local Variables: |
| c-file-style: "linux" |
| c-basic-offset: 4 |
| tab-width: 4 |
| End: |
| */ |