Merge pull request #119 from codecrafters-io/change-print-logs-to-stderr

CC-1469: Change all sample logs to print to stderr instead of stdout

Author: andy1li

compiled_starters/cpp/src/Server.cpp

@@ -8,7 +8,7 @@ int main(int argc, char* argv[]) {
     std::cerr << std::unitbuf;
 
     // You can use print statements as follows for debugging, they'll be visible when running tests.
-    std::cout << "Logs from your program will appear here" << std::endl;
+    std::cerr << "Logs from your program will appear here" << std::endl;
 
     if (argc != 3) {
         std::cerr << "Expected two arguments" << std::endl;

compiled_starters/csharp/src/Program.cs

@@ -14,7 +14,7 @@
 if (command == ".dbinfo")
 {
     // You can use print statements as follows for debugging, they'll be visible when running tests.
-    Console.WriteLine("Logs from your program will appear here!");
+    Console.Error.WriteLine("Logs from your program will appear here!");
 
     // Uncomment this line to pass the first stage
     // databaseFile.Seek(16, SeekOrigin.Begin); // Skip the first 16 bytes

compiled_starters/gleam/src/main.gleam

@@ -5,7 +5,7 @@ import gleam/io
 
 pub fn main() {
   // You can use print statements as follows for debugging, they'll be visible when running tests.
-  io.println("Logs from your program will appear here!")
+  io.print_error("Logs from your program will appear here!\n")
 
   let args = argv.load().arguments
 

compiled_starters/go/app/main.go

@@ -35,7 +35,7 @@ func main() {
 			return
 		}
 		// You can use print statements as follows for debugging, they'll be visible when running tests.
-		fmt.Println("Logs from your program will appear here!")
+		fmt.Fprintln(os.Stderr, "Logs from your program will appear here!")
 
 		// Uncomment this to pass the first stage
 		// fmt.Printf("database page size: %v", pageSize)

compiled_starters/java/src/main/java/Main.java

@@ -25,7 +25,7 @@ public static void main(String[] args){
           int pageSize = Short.toUnsignedInt(pageSizeSigned);
 
           // You can use print statements as follows for debugging, they'll be visible when running tests.
-          System.out.println("Logs from your program will appear here!");
+          System.err.println("Logs from your program will appear here!");
 
           // Uncomment this block to pass the first stage
           // System.out.println("database page size: " + pageSize);

compiled_starters/javascript/app/main.js

@@ -13,7 +13,7 @@ if (command === ".dbinfo") {
   });
 
   // You can use print statements as follows for debugging, they'll be visible when running tests.
-  console.log("Logs from your program will appear here!");
+  console.error("Logs from your program will appear here!");
 
   // Uncomment this to pass the first stage
   // const pageSize = buffer.readUInt16BE(16); // page size is 2 bytes starting at offset 16

compiled_starters/python/app/main.py

@@ -10,7 +10,7 @@
 if command == ".dbinfo":
     with open(database_file_path, "rb") as database_file:
         # You can use print statements as follows for debugging, they'll be visible when running tests.
-        print("Logs from your program will appear here!")
+        print("Logs from your program will appear here!", file=sys.stderr)
 
         # Uncomment this to pass the first stage
         # database_file.seek(16)  # Skip the first 16 bytes of the header

compiled_starters/ruby/app/main.rb

@@ -4,7 +4,7 @@
 if command == ".dbinfo"
   File.open(database_file_path, "rb") do |database_file|
     # You can use print statements as follows for debugging, they'll be visible when running tests.
-    puts "Logs from your program will appear here"
+    $stderr.puts "Logs from your program will appear here"
 
     # Uncomment this to pass the first stage
     # database_file.seek(16)  # Skip the first 16 bytes of the header

compiled_starters/rust/src/main.rs

@@ -24,7 +24,7 @@ fn main() -> Result<()> {
             let page_size = u16::from_be_bytes([header[16], header[17]]);
 
             // You can use print statements as follows for debugging, they'll be visible when running tests.
-            println!("Logs from your program will appear here!");
+            eprintln!("Logs from your program will appear here!");
 
             // Uncomment this block to pass the first stage
             // println!("database page size: {}", page_size);

compiled_starters/swift/Sources/swift-sqlite-challenge/Main.swift

@@ -19,7 +19,7 @@ struct Main {
         switch command {
         case ".dbinfo":
             // You can use print statements as follows for debugging, they'll be visible when running tests.
-            print("Logs from your program will appear here!")
+            eprintln("Logs from your program will appear here!")
 
             // Uncomment this block to pass the first stage
             // let pageSize = UInt16(database[16..<18])