2016 Update

Task/Hello-world-Standard-error/00DESCRIPTION

@@ -1,4 +1,4 @@
- {{selection|Short Circuit|Console Program Basics}}
+{{selection|Short Circuit|Console Program Basics}}
 [[Category:Streams]]
 {{omit from|Applesoft BASIC}}
 {{omit from|bc|Always prints to standard output.}}
@@ -15,8 +15,12 @@ A common practice in computing is to send error messages
 to a different output stream than [[User Output - text|normal text console messages]].
 
 The normal messages print to what is called "standard output" or "standard out".
+
 The error messages print to "standard error".
 
 This separation can be used to redirect error messages to a different place than normal messages.
 
-Show how to print a message to standard error by printing "Goodbye, World!" on that stream.
+
+;Task:
+Show how to print a message to standard error by printing     '''Goodbye, World!'''     on that stream.
+<br><br>

Task/Hello-world-Standard-error/BASIC/hello-world-standard-error.basic

@@ -1,2 +1,2 @@
 10 PRINT #1;"Goodbye, World!"
-20 PAUSE 5: REM allow time for the user to see the error message
+20 PAUSE 50: REM allow time for the user to see the error message

Task/Hello-world-Standard-error/REXX/hello-world-standard-error-1.rexx

@@ -1 +1 @@
-say 'Goodbye, World!'
+call lineout 'STDERR', "Goodbye, World!"

Task/Hello-world-Standard-error/REXX/hello-world-standard-error-2.rexx

@@ -1 +1,2 @@
-call lineout 'STDERR', "Goodbye, World!"
+msgText = 'Goodbye, World!'
+call charout 'STDERR', msgText

Task/Hello-world-Standard-error/REXX/hello-world-standard-error-3.rexx

@@ -1,2 +1,14 @@
-msgText = 'Goodbye, World!'
-call charout 'STDERR', msgText
+/* REXX ---------------------------------------------------------------
+* 07.07.2014 Walter Pachl
+* enter the appropriate command shown in a command prompt.
+*    "rexx serr.rex 2>err.txt"
+* or "regina serr.rex 2>err.txt"
+* 2>file will redirect the stderr stream to the specified file.
+* I don't know any other way to catch this stream
+*--------------------------------------------------------------------*/
+Parse Version v
+Say v
+Call lineout 'stderr','Good bye, world!'
+Call lineout ,'Hello, world!'
+Say 'and this is the error output:'
+'type err.txt'

Task/Hello-world-Standard-error/Rust/hello-world-standard-error-1.rust

@@ -0,0 +1,9 @@
+use std::io::{self,Write};
+
+fn main() {
+    writeln!(&mut io::stderr(), "Goodbye, world!").expect("Could not write to stderr");
+    // writeln! supports formatted strings so the following works as well
+    let goodbye = "Goodbye";
+    let world = "world";
+    writeln!(&mut io::stderr(), "{}, {}!", goodbye, world).expect("Could not write to stderr");
+}

Task/Hello-world-Standard-error/Rust/hello-world-standard-error-2.rust

@@ -0,0 +1,9 @@
+ use std::io::{self, Write};
+fn main() {
+    io::stderr().write(b"Goodbye, world!").expect("Could not write to stderr");
+    // With some finagling, you can do a formatted string here as well
+    let goodbye = "Goodbye";
+    let world = "world";
+    io::stderr().write(&*format!("{}, {}!", goodbye, world).as_bytes()).expect("Could not write to stderr");
+    // Clearly, if you want formatted strings there's no reason not to just use writeln!
+}

Task/Hello-world-Standard-error/Rust/hello-world-standard-error.rust

@@ -1,6 +0,0 @@
-use std::io::{self,Write};
-
-fn main() {
-    let mut stderr = io::stderr();
-    let bytes_read_or_error = stderr.write(b"Goodbye, World!\n");
-}

Task/Hello-world-Standard-error/S-lang/hello-world-standard-error.slang

@@ -0,0 +1 @@
+() = fputs("Goodbye, World!\n", stderr);