const std = @import("std");

pub fn main() !void {
    var gpa: std.heap.GeneralPurposeAllocator(.{}) = .init;
    defer std.debug.assert(gpa.deinit() == .ok);
    const allocator = gpa.allocator();

    const args = try std.process.argsAlloc(allocator);
    defer std.process.argsFree(allocator, args);

    if (args.len < 3) return error.MissingArgs;

    const relative = try std.fs.path.relative(allocator, args[1], args[2]);
    defer allocator.free(relative);

    var stdout_writer = std.fs.File.stdout().writerStreaming(&.{});
    const stdout = &stdout_writer.interface;
    try stdout.writeAll(relative);
}