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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<H2 ALIGN=CENTER>
<IMG SRC="../img/RTS_logo.png"><BR>
<FONT SIZE=3><I><SPAN STYLE="font-weight: normal">Automated Synchronization</SPAN></I></FONT>
</H2>

<P>The primary purpose of RealtimeSync is to execute a command line each time a directory becomes 
available (e. g. insert of a USB-stick) <b>or</b> when it detects changes in one of the monitored directories. Usually this command line will trigger
a FreeFileSync batch job.
</P>

<BR>

<B>Example:</B> Real time synchronization - in combination with FreeFileSync<br>
<P>
Start RealtimeSync.exe located in FreeFileSync's installation directory and 
enter all folders you want to monitor. Instead of doing this manually you can import a ffs_batch
file via <B>Menu &rarr; Program &rarr; Open</B>. This not only extracts all directories relevant for synchronization
but also sets up the command line to execute the ffs_batch file each time changes are detected.
Now press <B>Start</B> to begin monitoring.
</P>
<div STYLE="margin-left: 1.3cm">
	<IMG SRC="../img/RealtimeSync.png">
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<BR>
<BR>

<div class="bluebox">
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			<B>Note</B>
			<ul STYLE="margin: 0">
				<LI>The command should <B>not</B> <B>block</B> progress. If you call a FreeFileSync batch job, make 
				sure it does not show any popup windows. See notes in <A HREF="Command%20line.html">Command Line Usage</A>.
				<BR>&nbsp;
				
				<LI>RealtimeSync will skip showing the main dialog and begin monitoring immediately if 
				you pass a ffs_real configuration file <B>or</B> a FreeFileSync ffs_batch file as first 
				command line argument to RealtimeSync.exe. This helps you integrate RealtimeSync into your operating system's auto start:<BR>				
				&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT FACE="Courier New, monospace">&quot;C:\Program Files\FreeFileSync\RealtimeSync.exe&quot; &quot;D:\Backup Projects.ffs_real&quot;</FONT><BR>
				&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT FACE="Courier New, monospace">&quot;C:\Program Files\FreeFileSync\RealtimeSync.exe&quot; &quot;D:\Backup Projects.ffs_batch&quot;</FONT>
				<BR>&nbsp;
		
				<LI>RealtimeSync is not tied to starting FreeFileSync. It can also be used in other scenarios, like sending an email whenever a certain directory is modified.
			</ul>
	</div>
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<BR CLEAR=LEFT>

<BR>
<BR>

<B>Example:</B> Automatic synchronization when a USB stick is inserted
<P>Save a ffs_batch configuration in the USB stick's root directory, 
e.g. <FONT FACE="Courier New, monospace">H:\</FONT>, to let RealtimeSync call it when the stick is mounted. Configure RealtimeSync as follows:<BR>
</P>
<div STYLE="margin-left: 1.3cm">
	<IMG SRC="../img/WatchUsbInsert.png">
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<BR>

<P>Whenever directory <FONT FACE="Courier New, monospace">H:\Data</FONT> becomes available, RealtimeSync executes the command line which starts the batch job located
on the stick. RealtimeSync will also trigger each time files are modified in <FONT FACE="Courier New, monospace">H:\Data</FONT>.
</P>

<div class="bluebox">
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			<B>Note</B><BR>	
			The full path of the last changed file and the action that triggered the
			change notification (create, update or delete) are written
			to the environment variables <B>%change_path%</B> and <B>%change_action%</B>.
	</div>
</div>
<BR CLEAR=LEFT>

<BR>
<BR>

<P><B>Example:</B> Log names of changed files and directories (Windows)</P>
<div class="greybox">
	<div class="greybox_inner">
			Show which file or directory has triggered a change. Enter command line:<BR>			
			<FONT FACE="Courier New, monospace">&nbsp;&nbsp;&nbsp;&nbsp;cmd /c echo %change_action% &quot;%change_path%&quot; &amp; pause</FONT>			
			<BR><BR>
			Write a list of all changes to a log file:<BR>
			
			<FONT FACE="Courier New, monospace">
			&nbsp;&nbsp;&nbsp;&nbsp;cmd /c echo %change_action% &quot;%change_path%&quot; &gt;&gt; C:\log.txt
			</FONT>
	</div>
</div>
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<BR>

<div class="bluebox">
	<div class="bluebox_inner">
			<b>Note</b><br>
			When RealtimeSync executes a Windows batch file (bat or cmd) a black console window is shown. You can hide it using the Visual Basic script
			<FONT FACE="Courier New, monospace">HideConsole.vbs</FONT> located in FreeFileSync's installation directory:
			<br><br>			
			<FONT FACE="Courier New, monospace">wscript &quot;C:\Program files\FreeFileSync\HideConsole.vbs&quot; C:\MyBatchFile.cmd</FONT>
	</div>
</div>
<BR CLEAR=LEFT>

<BR>
<BR>

<h3>Limitations:</h3>
<UL>
	<LI>If multiple changes happen at the same time, only the name of the first file is written to variable <b>%changed_file%</b>.	
	<LI>While RealtimeSync is executing the command line, monitoring is inactive and changes occurring during this time are lost. 
</UL>

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