initial commit

1 files changed, 60 insertions, 0 deletions

diff --git a/hare/files/files.ha b/hare/files/files.ha
new file mode 100644
index 0000000..121af45
--- /dev/null
+++ b/hare/files/files.ha
@@ -0,0 +1,60 @@
+use bufio;
+use fmt;
+use fs;
+use io;
+use os;
+use strings;
+
+export fn main() void = {
+	// Get user input
+	const filename = get_filename();
+	const filedata = get_input();
+
+	// Save to file and return the message
+	let message = save_input(filename, filedata);
+	fmt::printfln("{}", message)!;
+};
+
+fn get_filename() str = {
+	// Ask user for filename
+	fmt::printfln("Enter a file name to create:")!;
+
+	// Read the buffer
+	const input = bufio::scanline(os::stdin)! as []u8;
+
+	// Convert to string and return
+	return strings::fromutf8(input)!;
+};
+
+fn get_input() []u8 = {
+	// Ask user for input
+	fmt::printfln("Enter some words or data to write to a file:")!;
+
+	// Read the buffer
+	const input = bufio::scanline(os::stdin)! as []u8;
+
+	// Return the data
+	return input;
+};
+
+fn save_input(file_name: str, file_data: []u8) str = {
+	// USER_RW = 384, Read and write permissions for the file owner
+	let file_mode: fs::mode = 384;
+
+	// Create a file buffer as USER_RW using the provided file name
+	let file_buffer = os::create(file_name, file_mode);
+
+	// Handle the tagged union for (1) a successful file buffer, or (2) an
+	// error
+	match (file_buffer) {
+	// (1) Write the data, close the file, and return a success message
+	case let file: io::file =>
+		io::write(file, file_data)!;
+		io::close(file)!;
+		return "Data saved successfully. Check the file you created!";
+	// (2) Return the error message as a string
+	case let e: fs::error =>
+		return fs::strerror(e);
+	};
+};
+