cat

commit 99d06fe277307137bac2147ecb9b299c79b42453
Author: ssnf <ssnf@ssnf.xyz>
Date:   Thu,  8 Jul 2021 22:14:33 +0000

initial commit

Diffstat:
A
cat.c
 | 
23
+++++++++++++++++++++++

1 file changed, 23 insertions(+), 0 deletions(-)
diff --git a/cat.c b/cat.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+
+int
+main(int argc, char* argv[])
+{
+	char buf[4096];
+	FILE* f;
+	int i, n;
+
+	for (i = 1; i < argc; ++i) {
+		if (*argv[i] == '-' && *(argv[i]+1) == '\0')
+			f = stdin;
+		else {
+			f = fopen(argv[i], "r");
+			if (!f) {
+				perror(argv[i]);
+				return 1;
+			}
+		}
+		while (n = fread(buf, 1, sizeof(buf), f))
+			fwrite(buf, 1, n, stdout);
+	}
+}