Standard error

From Programmer's Wiki

Standard error is a stream where the program writes its error messages. The following snippets show how to do this using various languages.

Contents 1 Snippets 1.1 C 1.2 C++ 1.3 C# 1.4 Java 1.5 Perl 1.6 PHP 1.7 Python 1.8 Ruby 1.9 Tcl 2 External links

[edit] Snippets

[edit] C

This article is missing a code example in the C language.

[edit] C++

This article is missing a code example in the C++ language.

[edit] C#

This article is missing a code example in the C# language.

[edit] Java

System.err.println("something broke :-(");

[edit] Perl

This article is missing a code example in the Perl language.

[edit] PHP

This article is missing a code example in the PHP language.

[edit] Python

This article is missing a code example in the Python language.

[edit] Ruby

To just write to standard error:

$stderr.puts("Error goes here")

If you want to create an IO object and point that to standard error:

# the file descriptor 2 = standard error
errors = IO.new(2, "w")
errors.puts("Error goes here")

[edit] Tcl

puts stderr "An error message"

[edit] External links

Standard streams at Wikipedia