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[FILE BEGIN]
1/* Light builtins's (C version)
2 * cat - concatenate files and print on the standard output
3 * A lightweight repository of useful shell commands
4 * GitHub: https://www.github.com/0x4248/light_builtins
5 * Licence: GNU General Public License v3.0
6 * By: 0x4248
7 */
8
9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
12
13#include "config.h"
14
15int main(int argc, char *argv[]) {
16    if (argc >= 2 &&
17        (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0)) {
18        printf("Light Builtins (C) %d.%d.%d-%s\n", VERSION_MAJOR, VERSION_MINOR,
19               VERSION_PATCH, EXTRA_VERSION);
20        return 0;
21    }
22    FILE *fp;
23    int c;
24
25    if (argc == 1) {
26        printf("cat: usage: cat [file ...]\n");
27        exit(1);
28    }
29    while (--argc > 0) {
30        if ((fp = fopen(*++argv, "r")) == NULL) {
31            printf("cat: can't open %s\n", *argv);
32            exit(1);
33        } else {
34            while ((c = getc(fp)) != EOF) {
35                putchar(c);
36            }
37            fclose(fp);
38        }
39    }
40    return 0;
41}
[FILE END]
(C) 2025 0x4248
(C) 2025 4248 Media and 4248 Systems, All part of 0x4248
See LICENCE files for more information. Not all files are by 0x4248 always check Licencing.