🎉 init

.gitignore

@@ -0,0 +1 @@
+owo

Makefile

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+# the compiler: gcc for C program, define as g++ for C++
+CC = gcc
+
+# compiler flags:
+#  -g    adds debugging information to the executable file
+#  -Wall turns on most, but not all, compiler warnings
+CFLAGS = -g -Wall
+
+# the build target executable:
+TARGET = owo
+
+all: $(TARGET)
+
+$(TARGET): $(TARGET).c
+	$(CC) $(CFLAG) -o $(TARGET) $(TARGET).c
+
+clean:
+	$(RM) $(TARGET)

owo.c

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+#include <stdio.h>
+#include <getopt.h>
+#include <stdlib.h>
+
+static void help() {
+	printf("usage: owo [-h] \n");
+	exit(EXIT_SUCCESS);
+}
+
+static void version() {
+	printf("v0.1 \n");
+	exit(EXIT_SUCCESS);
+}
+
+int main(int argc, char *argv[]) {
+	int opt;
+
+	while ((opt = getopt(argc, argv, "hv")) != -1) {
+		switch (opt) {
+			case 'h':
+				help();
+				break;
+			case 'v':
+				version();
+				break;
+			default:
+				help();
+				break;
+		}
+	}
+
+	if (optind == argc) {
+		char c;
+		char d = 0;
+
+		while ((c = getchar()) != EOF) {
+			if (c == 'r' || c == 'l') c = 'w';
+			if (c == 'R' || c == 'L') c = 'W';
+			if (d == 'n' && c == 'a') putchar('y');
+			if (d == 'N' && c == 'A') putchar('Y');
+
+			putchar(c);
+			d = c;
+		}
+	}
+}