Data commit

Task/File-input-output/Zig/file-input-output.zig

@@ -0,0 +1,16 @@
+const std = @import("std");
+
+pub fn main() !void {
+    var in = try std.fs.cwd().openFile("input.txt", .{});
+    defer in.close();
+    var out = try std.fs.cwd().openFile("output.txt", .{ .mode = .write_only });
+    defer out.close();
+    var file_reader = in.reader();
+    var file_writer = out.writer();
+    var buf: [100]u8 = undefined;
+    var read: usize = 1;
+    while (read > 0) {
+        read = try file_reader.readAll(&buf);
+        try file_writer.writeAll(buf[0..read]);
+    }
+}