Keyphrene's Blog

Introduction to the Windows Shell

2010-12-30T07:42:52+01:00

Introduction to the Windows Shell (DOS)

Condition

[dos]
IF NOT ERRORLEVEL 1 echo OK

Concatenation

[dos]
SETLOCAL ENABLEDELAYEDEXPANSION 
SET CLASSPATH=
FOR %%I IN (*.jar) DO (
SET CLASSPATH=!CLASSPATH!%%~fI;
)

Replace

[dos]
set TEST=c:\Windows\tmp
set TEST2=%TEST:\=/%
echo %TEST2%
REM c:/Windows/tmp

Loop

[dos]
REM Simple loop (1 to 5)
FOR /L %%I IN (1,1,5) DO (
	echo %%I
)

REM filename list without path
FOR %%I IN (*.txt) DO (
    echo %%~nxI
)

REM filename list with path
FOR %%I IN (*.txt) DO (
    echo %%~fI
)

REM Directory list (recursive)
FOR /R C:\ %%I IN (*) DO (
    echo %%~pI
)

REM filename pattern list (recursive)
FOR /R C:\ %%I IN (*.txt) DO (
    echo %%I
)

Output redirection

[dos]
# Standard output
filename.exe > NUL

# Standard output and Error output
filename.exe > NUL 2&>1

FAQs

Variables

[dos]
REM Display the current directory
echo %CD%
REM data time
echo %DATE% %TIME%
REM random 	between 0 and 32767
echo %RANDOM%

How put a date in variable

[dos]
FOR /F "tokens=1-3 delims=/ " %%i IN ('DATE /T') DO (
	SET DATUM=%%k-%%j-%%i
)

How to create a thumbnail from a video with a DOS script and ffmpeg

2010-12-30T07:39:34+01:00

How to create a thumbnail from a video with a DOS script and FFMPEG

Dowload FFMPEG for Windows ffmpeg.zip
Create Thumbnails _movies.bat on your desktop.
Define ffmpeg.exe into FFMPEG variable.
Drag and drop a directory or file movie above your script.
This script is recursive for your directory

[dos]
@echo off
 
set FFMPEG=D:\share\ffmpeg.exe
set PATHIN=%1
set RNDSTART=100 
set RNDEND=200
 
SETLOCAL enabledelayedexpansion
call:IsDir %PATHIN%
IF %ERRORLEVEL% == 0 (
    REM This is a directory
	FOR /R %PATHIN% %%I IN (*.avi *.mkv) DO ( 
		echo "%%~dpI"
		IF NOT EXIST "%%~dpnI.jpeg" (
		echo "%%~dpnI.jpeg"
		call:Randomize rnd "%RNDSTART%" "%RNDEND%"
		%FFMPEG% -itsoffset -!rnd! -y -i "%%~fI" -vcodec mjpeg -vframes 1 -an -f rawvideo -s 128x128 "%%~dpnI.jpeg" > NUL 2>&1 
		)
	)
) ELSE (
    REM This is a file
	call:FilenameFormat ret %PATHIN% dpn;
	IF NOT EXIST "!ret!.jpeg" (
	echo "!ret!.jpeg"
	call:Randomize rnd "%RNDSTART%" "%RNDEND%";
	REM echo %FFMPEG% -itsoffset -!rnd! -y -i %PATHIN% -vcodec mjpeg -vframes 1 -an -f rawvideo -s 128x128 "!ret!.jpeg"
	%FFMPEG% -itsoffset -!rnd! -y -i %PATHIN% -vcodec mjpeg -vframes 1 -an -f rawvideo -s 128x128 "!ret!.jpeg" > NUL 2>&1 
	)
)
 
pause
 
REM ===================
REM = Functions
REM ===================
 
 
:FilenameFormat
SETLOCAL
IF "%~1"=="" GOTO:EOF
FOR %%i IN ("%~2") DO SET r=%%~%~3i
( ENDLOCAL
    SET "%~1=%r%"
)
GOTO:EOF
 
:IsDir
FOR /F "delims=" %%i IN ("%~1") DO SET MYPATH="%%~fi"
PUSHD %MYPATH% 2>NUL
IF ERRORLEVEL 0 (
    POPD
)
GOTO:EOF
 
:Randomize
SETLOCAL
IF "%~2"=="" GOTO:EOF
SET /a "r=%RANDOM% %% %~3 + %~2" > NUL
( ENDLOCAL
    set "%~1=%r%"
)
GOTO:EOF

TAGS : FFMPEG thumbnail movie script DOS

Time Left Format Shell function

2010-07-15T06:50:30+02:00

Time Left Format Shell function (Tutorial Shell function)

[bash]

TimeLeftFormat()
{
	# format = d for day, default is hour
	sec=$1
	format=$2
	if [ $format"" = "d" ]; then
		echo $(($sec/86400))d `TimeLeftFormat $(($sec%86400))`
	else
		echo $(($sec/3600))h $((($sec%3600)/60))m $((($sec%3600)%60))s
	fi
}

time_left=`TimeLeftFormat 10000`
echo $time_left
# 2h 46m 40s

time_left=`TimeLeftFormat 100000 d`
echo $time_left
# 1d 3h 46m 40s

# Get timestamp with date '+%s' 
TIME_START=`date '+%s'`
TIME_END=`date '+%s'`

# Make difference
time_left=$((TIME_END - TIME_START))
time_left=`TimeLeftFormat $time_left`
echo $time_left

TAGS: Tutorial Shell function time date format

Filename Format DOS function

2010-07-15T06:50:29+02:00

Get filename with different format. Split filename (Tutorial DOS function)

Get filename with different format

Examples:

dpn: D:\path\to\name\filename
pn: \path\to\name\filename
n: \path\to\name
n: filename

[dos]
SETLOCAL enabledelayedexpansion
SET MYFILENAME="D:\path\to\name\filename.ext"
call:FilenameFormat ret %MYFILENAME% dpn
ECHO !ret!
REM Result D:\path\to\name\filename

:FilenameFormat
SETLOCAL
IF "%~1"=="" GOTO:EOF
FOR %%i IN ("%~2") DO SET r=%%~%~3i
( ENDLOCAL
    SET "%~1=%r%"
)
GOTO:EOF

TAGS : Tutorial DOS function filename format split SET SETLOCAL enabledelayedexpansion

IsDir DOS function

2010-07-15T06:47:41+02:00

Detect if your pathname is a directory. (Tutorial DOS function)

Detect if your pathname is a directory

[dos]

set A="D:\path\to\name"

call:IsDir %A%
IF %ERRORLEVEL% == 0 (
    echo "Directory found"
) ELSE (
    echo "Directory not found"
)

:IsDir
FOR /F "delims=" %%i IN ("%~1") DO SET MYPATH="%%~fi"
PUSHD %MYPATH% 2>NUL
IF ERRORLEVEL 0 (
    POPD
)
GOTO:EOF

TAGS : Tutorial DOS function Is Directory IsDir ERRORLEVEL FOR PUSHD POPD

Randomize DOS function

2010-07-15T06:44:01+02:00

Randomize DOS function. (Tutorial DOS function)

[dos]

SETLOCAL enabledelayedexpansion
call:Randomize rnd 100 200
echo !rnd!

:Randomize
SETLOCAL enabledelayedexpansion
IF "%~2"=="" GOTO:EOF
SET /a "r=%RANDOM% %% %~3 + %~2" > NUL
( ENDLOCAL
    set "%~1=%r%"
)
GOTO:EOF

TAGS : Tutorial DOS function Randomize SETLOCAL SET enabledelayedexpansion

Wake On Lan chez Free

2010-06-25T07:11:27+02:00

Wake On Lan chez Free, réveiller votre ordinateur depuis internet.

Configurer votre BIOS

Aller dans votre BIOS pour activer la Wake On Lan

Exemple: Sur ma carte ASUS PK5 SE, la mention wake on lan n'y figure pas Je dois me rendre dans le menu "Power", "APM" et activer les fonctions

WakeUp PCI
WakeUp PCI-E

Configurer votre driver de carte réseau

Aller dans le gestionnaire de périphériques

Ouvrer les propriétés de votre carte réseau

Mettre à "On" l'option "Shutdown Wake Up"

Mettre à "Magic Packet" l'option "Wake Up Capabilities"

Configurer votre Freebox

Activer la fonction Proxy Wol (Wake On Lan)

Le redémarrage de votre Freebox est nécessaire pour activer la configuration

Récupérer l'adresse Mac de votre carte réseau

Ouvrer une command dos (cmd.exe) et la lancer la commande suivante

ipconfig /all

Vous obtenez l'adresse suivante

Adresse physique . . . . . . . . .: 00-12-4c-d5-78-dc

Sous windows Vista et Seven, vous devez démarrer la cmd.exe en tant qu'administrateur

Installer votre script wakeonlan.php chez un hébergeur

[php]
<?
# Wake on LAN - (c) HotKey@spr.at, upgraded by Murzik
# Modified by Allan Barizo http://www.hackernotcracker.com
flush();
function WakeOnLan($addr, $mac,$socket_number) {
  $addr_byte = explode(':', $mac);
  $hw_addr = '';
  for ($a=0; $a <6; $a++) $hw_addr .= chr(hexdec($addr_byte[$a]));
  $msg = chr(255).chr(255).chr(255).chr(255).chr(255).chr(255);
  for ($a = 1; $a <= 16; $a++) $msg .= $hw_addr;
  // send it to the broadcast address using UDP
  // SQL_BROADCAST option isn't help!!
  $s = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
  if ($s == false) {
	echo "Error creating socket!\n";
	echo "Error code is '".socket_last_error($s)."' - " . socket_strerror(socket_last_error($s));
	return FALSE;
	}
  else {
	// setting a broadcast option to socket:
	$opt_ret = socket_set_option($s, 1, 6, TRUE);
	if($opt_ret <0) {
	  echo "setsockopt() failed, error: " . strerror($opt_ret) . "\n";
	  return FALSE;
	  }
	if(socket_sendto($s, $msg, strlen($msg), 0, $addr, $socket_number)) {
	  echo "Magic Packet sent successfully!";
	  socket_close($s);
	  return TRUE;
	  }
	else {
	  echo "Magic packet failed!";
	  return FALSE;
	  }
	}
  }
// Port number where the computer is listening. Usually, any number between 1-50000 will do. Normally people choose 7 or 9.
$socket_number = "9";

// MAC Address of the listening computer's network device 00:1b:fc:c3:0c:3d
$mac_addy = "00:12:4c:d5:78:dc";
// IP address of the listening computer. Input the domain name if you are using a hostname (like when under Dynamic DNS/IP)
$ip_addy = "10.10.10.1";
WakeOnLan($ip_addy, $mac_addy,$socket_number)
?>

Remplacer $mac_addy="votre adresse mac" et $ip_addy="votre adresse publique" Attention, l'adresse MAC doit avoir comme séparateur ":" et être en minuscule pour les lettres

Tester le démarrage de votre serveur

Lancer votre script http://<votre_domaine>/wakeonlan.php

ou vous pouvez utiliser ce service

WakeOnLan

TAGS : Wake on lan Free Freebox script PHP magic packet BIOS wake up

How to archive the most recent directories

2010-06-10T11:47:24+02:00

How to archive the most recent directories. (Tutorial Shell Unix)

[bash]

archive_directory()
{
	local n=0
	local arch=5
	local arch_path=""
	
	if [ -d "$1" ]; then
		arch_path=$1
	else
		echo archive_directory: $1 not found
		return
	fi
	if [ -n "$2" ]; then
		arch=$2
	fi
	
	echo $arch_path $arch
	
	d=ARCH_`date +%Y%m%d`
	mkdir -p $d
	
	find $arch_path -type f -mindepth 1 -maxdepth 1 | while read i
	do
		mv "$i" "$arch_path/$d/"
	done
	
	# Remove ARCH_
	find $arch_path -type d -mindepth 1 -maxdepth 1 | sort -r | while read i
	do
		n=$(($n+1))
		if [ $n -le $arch ]; then
			echo "Keep $i"
			continue
		fi
		echo "Delete $i"
		rm -fr "$i"
	done
}

# Archiving the five last directories
archive_directory D:/temp/tmp

TAGS : Tutorial Shell Unix archive recent directory forlder Script DOS

How to archive the most recent files

2010-02-20T11:36:02+01:00

How to archive the most recent files. (Tutorial Shell Unix)

This script keep the last five files

[bash]
# Archiving /path/to/name/pattern*.tar.gz

n=0
arch=5
for i in `ls -ltr backup.sql*.tar.gz | awk '{print $9}' | sort -r `
do
	n=`expr $n + 1`
	if [ $n -le $arch ]; then
		echo "Keep "$i
		continue
	fi
	echo "Delete "$i
	rm -f $i
done

Another example

[bash]
archive_file()
{
	local arch=5
	local arch_pattern=$1
	
	if [ -n "$2" ]; then
		arch=$2
	fi
	
	ls -t $arch_pattern | tail -n +$(($arch+1)) | xargs rm -f 
}

archive_file "/tmp/backup*.sql.tar.gz"

TAGS : Tutorial Shell Unix archive recent files

authenticate method in PHP

2010-01-07T17:37:23+01:00

[php]
<?
# Author: Vincent JAULIN

// function to parse the http auth header
function http_digest_parse($txt)
{
    // protect against missing data
    $needed_parts = array('nonce'=>1, 'nc'=>1, 'cnonce'=>1, 'qop'=>1, 'username'=>1, 'uri'=>1, 'response'=>1);
    $data = array();

    preg_match_all('@(\w+)=([\'"]?)([%a-zA-Z0-9=./\_-]+)\2@', $txt, $matches, PREG_SET_ORDER);

    foreach ($matches as $m) {
        $data[$m[1]] = $m[3];
        unset($needed_parts[$m[1]]);
    }

    return $needed_parts ? false : $data;
}

function AuthenticationDigestHTTP($realm, $users, $phpcgi=0) {
	if (empty($_SERVER['PHP_AUTH_DIGEST']) && empty($_SERVER['REDIRECT_REMOTE_USER'])){
		header('HTTP/1.1 401 Unauthorized');
		header('WWW-Authenticate: Digest realm="'.$realm.'" qop="auth" nonce="'.uniqid(rand(), true).'" opaque="'.md5($realm).'"');
		die('401 Unauthorized');
	}
	// analyze the PHP_AUTH_DIGEST variable
	$auth = $_SERVER['PHP_AUTH_DIGEST'];
	if ($phpcgi == 1) {
		$auth = $_SERVER['REDIRECT_REMOTE_USER'];
	}
	$data = http_digest_parse($auth);
	if (!array_key_exists($data['username'], $users)) {
		header('HTTP/1.1 401 Unauthorized');
		die('401 Unauthorized');
	}
		
	// generate the valid response
	$A1 = md5($data['username'] . ':' . $realm . ':' . $users[$data['username']]);
	$A2 = md5($_SERVER['REQUEST_METHOD'].':'.$data['uri']);
	$valid_response = md5($A1.':'.$data['nonce'].':'.$data['nc'].':'.$data['cnonce'].':'.$data['qop'].':'.$A2);
	
	if ($data['response'] != $valid_response) {
		header('HTTP/1.1 401 Unauthorized');
		die('401 Unauthorized');
	}
	return TRUE;
}

function AuthenticationBasicHTTP($realm, $users, $phpcgi=0) {
	if (empty($_SERVER['PHP_AUTH_USER']) && empty($_SERVER['REDIRECT_REMOTE_USER'])) {
		header('WWW-Authenticate: Basic realm="'.$realm.'"');
		header('HTTP/1.0 401 Unauthorized');
		die('401 Unauthorized');
	}
	
	$user = $_SERVER['PHP_AUTH_USER'];
	if ($phpcgi == 1) {		
		$matches = explode(' ', $_SERVER['REDIRECT_REMOTE_USER']);
		list($name, $password) = explode(':', base64_decode($matches[1]));
		$_SERVER['PHP_AUTH_USER'] = $user = strip_tags($name);
		$_SERVER['PHP_AUTH_PW']    = strip_tags($password);
	}

	if (array_key_exists($user, $users) && $users[$user] == $_SERVER['PHP_AUTH_PW'] ){
		return TRUE;
	}

	header('WWW-Authenticate: Basic realm="'.$realm.'"');
	header('HTTP/1.0 401 Unauthorized');
	die('401 Unauthorized');
	return FALSE;
}



?>

TAGS : Script PHP authentication Digest Basic for Webdav