Name: Anonymous 2015-02-23 16:31
Most elegant solution wins
reference bloated cats: https://gist.github.com/pete/665971
reference bloated cats: https://gist.github.com/pete/665971
#include <stdio.h>
#include <string.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) {
concat(stdin, "<stdin>", stdout, "<stdout>");
} else {
for (; *argv; argc--, argv++) {
if (!strcmp(*argv, "-")) {
*argv = "<stdin>";
fp = stdin;
} else if (!(fp = fopen(*argv, "r"))) {
weprintf("fopen %s:", *argv);
ret = 1;
continue;
}
concat(fp, *argv, stdout, "<stdout>");
if (fp != stdin && fshut(fp, *argv))
ret = 1;
}
}
ret |= fshut(stdin, "<stdin>") | fshut(stdout, "<stdout>");
return ret;
}