63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
/*
|
|
* Mini Cat implementation for busybox
|
|
*
|
|
* Copyright (C) 1999 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");
|
|
}
|
|
argc--;
|
|
argv++;
|
|
|
|
while (argc-- > 0) {
|
|
file = fopen(*argv, "r");
|
|
if (file == NULL) {
|
|
perror(*argv);
|
|
exit(FALSE);
|
|
}
|
|
print_file( file);
|
|
argc--;
|
|
argv++;
|
|
}
|
|
exit(TRUE);
|
|
}
|