for %%f in (*.epub) do ( ebook-convert.exe "%%f" "%%~nf.mobi" )

@echo off
for %%f in (C:\ebooks\*.epub) do call :loop "%%~nf"
goto :eof

:loop
call :checkinstances
if %INSTANCES% LSS 5 (
    echo Starting processing instance for %1
    start "instance of ebook-convert.exe" cmd /c "ebook-convert.exe %1.epub %1.mobi"
    goto :eof
)
echo Waiting for instances to close ...
ping -n 2 ::1 >nul 2>&1
goto loop
goto :eof

:checkinstances
for /f "usebackq" %%t in (`tasklist /fo csv /fi "WINDOWTITLE eq instance of ebook-convert.exe"^|find /v /c ""`) do set INSTANCES=%%t
goto :eof

<?php
include('../../../config.php');
include("../jpgraph.php");
include("../jpgraph_line.php");
include("../jpgraph_date.php");


$interval = 0;

while($interval = 4) {
	

	if ($interval = 0) {
		$isql = "4 hour";
		$bildname = "1_f_4h.png";
	}
	
	if ($interval = 1) {
		$isql = "12 hour";
		$bildname = "1_f_12h.png";
	}
	
	if ($interval = 2) {
		$isql = "1 day";
		$bildname = "1_f_1d.png";
	}
	
	if ($interval = 3) {
		$isql = "1 week";
		$bildname = "1_f_7d.png";
	}

	if ($interval = 4) {
		$isql = "1 month";
		$bildname = "1_f_1m.png";
	}
	
	
	if ($interval = 5) {
		$isql = "365 day";
		$bildname = "1_f_1y.png";
	}
	
	$xdata = array();
	$ydata = array();

				$abfrage = "SELECT zeit, feuchtigkeit FROM sensor1 WHERE  zeit > TIMESTAMP(DATE_SUB(NOW(), INTERVAL ".$isql.")) ORDER BY zeit DESC";
				$ergebnis = mysql_query($abfrage) OR die(mysql_error());
				$i = 0;

						while($row = mysql_fetch_assoc($ergebnis))
						{

							$xdata[$i] = strtotime($row[zeit]);

							$feuchtigkeit = ($row[feuchtigkeit] -330) / 4.78;

							if ($feuchtigkeit > 100) {
								$feuchtigkeit = 100;
							}

							if ($feuchtigkeit < 0) {
								$feuchtigkeit = 0;
							}
							$ydata[$i] = $feuchtigkeit;					
							unset($feuchtigkeit);
							$i++;
						}						
	unset($row);
	unset($abfrage);
	unset($ergebnis);
	
	
	$graph = new Graph(550,300);
	$graph->SetScale('datint',0,100);
	$graph->SetMargin(80,40,30,100);
	$graph->xaxis->scale->SetTimeAlign(MINADJ_1);
	$graph->xaxis->scale->SetDateFormat( 'H:i' );

	$graph->title->Set("Feuchtigkeit Pflanzensensor 1");

	$graph->xaxis->SetLabelAngle(45);

	$line = new LinePlot($ydata,$xdata);
	unset($xdata);
	unset($ydata);
	
	$line->SetFillColor('lightblue@0.5');
	$graph->Add($line);
	unset($line);
	$graph->Stroke("".$bildname."");
	unset($graph);
	imagedestroy($bildname);
	unlink($bildname);


	
	//Variablen leerräumen
	

	
	
$intervall++;
}

?>

while($interval = 4)