sbase/cat.c

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