]> git.scottworley.com Git - overonion/blob - reverse.c
keyline() and keyfield() operations
[overonion] / reverse.c
1 #include "reverse_lib.h"
2
3 #include <err.h>
4 #include <stdio.h>
5 #include <string.h>
6 #include <sysexits.h>
7
8 int main(int argc, char** argv) {
9 if (argc == 1 || (argc == 2 && strcmp(argv[1], "-") == 0)) {
10 reverse_stream(stdin, stdout);
11 } else if (argc == 2) {
12 reverse_file(argv[1], stdout);
13 } else {
14 errx(EX_USAGE, "Usage: reverse filename");
15 }
16 return 0;
17 }