Idiom #59 Write to standard error stream

Print the message "x is negative" to standard error (stderr), with integer x value substitution (e.g. "-2 is negative").

with Ada.Text_IO;
use Ada.Text_IO;

Put_Line (Standard_Error, Integer'Image (X) & " is negative");

#include <stdio.h>

fprintf(stderr,"%d is negative\n",x);

#include <iostream>

std::cerr << x << " is negative" << std::endl;

import std.stdio;

stderr.writeln(x, " is negative");

import "dart:io";

stderr.write("$x is negative");

IO.puts :stderr, "#{x} is negative"

io:format(standard_error, "~p is negative~n", [X]).

import "os"

fmt.Fprintln(os.Stderr, x, "is negative")

import System.IO (hPutStrLn, stderr)

hPutStrLn stderr (show (x) ++ " is negative")

const util = require("util");

console.error(util.format("%d is negative", x));

console.error(x, "is negative");

System.err.format("%d is negative\n",x);

io.stderr:write(string.format("%d is negative\n",x))

$STDERR = fopen('php://stderr', 'w+');
fwrite($STDERR, "{$x} is negative\n");

writeln(StdErr, Format('%d is negative',[-2]));

writeln(StdErr , x , ' is negative');

print STDERR "$x is negative";

import sys

print >>sys.stderr, "%s is negative" % x

import sys

print(x, "is negative", file=sys.stderr)

warn "#{x} is negative"
$stderr.puts "%d is negative" % x

eprintln!("{} is negative", x);

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