I’m stuck on Stage #(YT5).
My tests will past sometimes but most the time they fail. To speed up my debugging process I created identical files to the ones that are given in the test that I failed, and write to them the same way that is shown by the debugger. However when I test it by running ./your_program.sh and sending in the same cat command, I get the right answer?
Here are my logs:
[tester::#TG6] Running tests for Stage #TG6 (Quoting - Double quotes)
[tester::#TG6] [setup] export PATH=/tmp/mango/pineapple/mango:$PATH
[tester::#TG6] Running ./your_program.sh
[tester::#TG6] [setup] echo -n "pear raspberry." > "/tmp/foo/f 74"
[tester::#TG6] [setup] echo -n "grape blueberry." > "/tmp/foo/f 22"
[tester::#TG6] [setup] echo -n "grape pineapple." > "/tmp/foo/f's15"
[your-program] $ echo "example world"
[your-program] example world
[tester::#TG6] Γ£ô Received expected response
[your-program] $ echo "world test" "script""example"
[your-program] world test scriptexample
[tester::#TG6] Γ£ô Received expected response
[your-program] $ echo "script" "shell's" "world"
[your-program] script shell's world
[tester::#TG6] Γ£ô Received expected response
[your-program] $ cat "/tmp/foo/f 74" "/tmp/foo/f 22" "/tmp/foo/f's15"
[your-program] pear raspberry.grape blueberry.$
[tester::#TG6] Output does not match expected value.
[tester::#TG6] Expected: "pear raspberry.grape blueberry.grape pineapple."
[tester::#TG6] Received: "pear raspberry.grape blueberry.$ "
[tester::#TG6] Assertion failed.
[tester::#TG6] Test failed
View our article on debugging test failures: https://codecrafters.io/debug
:~/builds/shell-zig$ mkdir /tmp/foo
:~/builds/shell-zig$ echo -n "pear raspberry." > "/tmp/foo/f 74"
echo -n "grape blueberry." > "/tmp/foo/f 22"
echo -n "grape pineapple." > "/tmp/foo/f's15"
:~/builds/shell-zig$ ./your_program.sh
$ cat "/tmp/foo/f 74" "/tmp/foo/f 22" "/tmp/foo/f's15"
pear raspberry.grape blueberry.grape pineapple.$ exit 0
And here’s a snippet of my code:
fn parseTokens(input: []const u8, allocator: std.mem.Allocator) ![]const []const u8 {
var tokens = std.ArrayList([]const u8).init(allocator);
defer tokens.deinit();
var i: usize = 0;
while (i < input.len) {
// Skip whitespace
while (i < input.len and std.ascii.isWhitespace(input[i])) : (i += 1) {}
if (i >= input.len) break;
if (input[i] == '\'') {
// Handle single-quoted token
i += 1; // Skip opening quote
const start = i;
while (i < input.len and input[i] != '\'') : (i += 1) {}
if (i >= input.len) return error.MissingClosingQuote;
try tokens.append(input[start..i]);
i += 1; // Skip closing quote
} else if (input[i] == '\"') {
// Handle double-quoted token with escape processing
i += 1; // Skip opening quote
var buffer = std.ArrayList(u8).init(allocator);
defer buffer.deinit();
while (i < input.len and input[i] != '\"') {
if (input[i] == '\\') {
i += 1;
if (i >= input.len) return error.MissingClosingQuote;
const next_char = input[i];
// Handle allowed escape sequences
if (next_char == '\\' or next_char == '$' or next_char == '\"' or next_char == '\n') {
try buffer.append(next_char);
} else {
// Preserve backslash for other characters
try buffer.append('\\');
try buffer.append(next_char);
}
} else {
try buffer.append(input[i]);
}
i += 1;
}
if (i >= input.len or input[i] != '\"') {
return error.MissingClosingQuote;
}
i += 1; // Skip closing quote
const slice = buffer.toOwnedSlice() catch {
return error.ToSliceError;
};
try tokens.append(slice);
} else {
// Handle unquoted token
const start = i;
while (i < input.len and !std.ascii.isWhitespace(input[i])) : (i += 1) {}
try tokens.append(input[start..i]);
}
}
return tokens.toOwnedSlice();
pub fn processCat(user_input: []const u8) !bool {
// Check that the input starts with "cat"
if (user_input.len < 3 or !std.mem.eql(u8, user_input[0..3], "cat")) return false;
const allocator = std.heap.page_allocator;
const args_part = std.mem.trimLeft(u8, user_input[3..], " \t");
const tokens = try parseTokens(args_part, allocator);
var args_list = std.ArrayList([]const u8).init(allocator);
defer args_list.deinit();
try args_list.append("cat");
// Then append each parsed token.
for (tokens) |token| {
// std.debug.print("{s }", .{token});
try args_list.append(token);
}
// std.debug.print("\n", .{});
var child = std.process.Child.init(args_list.items, allocator);
child.stdout_behavior = .Pipe; // Capture output
try child.spawn();
defer {
_ = child.wait() catch {
@panic("Child process failed to exit cleanly");
};
}
var out = child.stdout orelse return error.NullOutput;
var buffer: [100000]u8 = undefined;
const len = out.read(&buffer) catch {
stdout.print("Not enough buffer space\n", .{}) catch return true;
return true;
};
if (child.stderr) |err| {
const err_len = try err.read(&buffer);
std.debug.print("Errors: {s}\n", .{buffer[0..err_len]});
}
const output = buffer[0..len];
try stdout.print("{s}", .{output});
return true;
}
}