sbase/cat.c

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C
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/* See LICENSE file for copyright and license details. */
#include <stdio.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;
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if (!argc) {
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concat(stdin, "<stdin>", stdout, "<stdout>");
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} else {
for (; *argv; argc--, argv++) {
if ((*argv)[0] == '-' && !(*argv)[1]) {
concat(stdin, "<stdin>", stdout, "<stdout>");
} else if (!(fp = fopen(*argv, "r"))) {
weprintf("fopen %s:", *argv);
ret = 1;
} else {
concat(fp, *argv, stdout, "<stdout>");
fclose(fp);
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}
}
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}
return ret;
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}