sbase/cat.c

45 lines
725 B
C

/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <unistd.h>
#include "text.h"
#include "util.h"
static void
usage(void)
{
eprintf("usage: %s [-u] [file...]\n", argv0);
}
int
main(int argc, char *argv[])
{
FILE *fp;
int ret = 0;
ARGBEGIN {
case 'u':
setbuf(stdout, NULL);
break;
default:
usage();
} ARGEND;
if (argc == 0) {
concat(stdin, "<stdin>", stdout, "<stdout>");
} else {
for (; argc; argc--, argv++) {
if (argv[0][0] == '-' && !argv[0][1])
argv[0] = "/dev/fd/0";
if (!(fp = fopen(argv[0], "r"))) {
weprintf("fopen %s:", argv[0]);
ret = 1;
continue;
}
concat(fp, argv[0], stdout, "<stdout>");
fclose(fp);
}
}
return ret;
}