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<title>RealtimeSync - Automated Synchronization</title>
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<FONT SIZE=3><I><SPAN STYLE="font-weight: normal">Automated Synchronization</SPAN></I></FONT>
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<P>The primary purpose of RealtimeSync is to execute a command line each time it detects changes in one of the monitored directories
<b>or</b> when a directory becomes available (e. g. insert of a USB-stick). 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 → File → 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.
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<B>Note</B>
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<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>
<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>
<span class="command_line">"C:\Program Files\FreeFileSync\RealtimeSync.exe" "D:\Backup Projects.ffs_real"</span><BR>
<span class="command_line">"C:\Program Files\FreeFileSync\RealtimeSync.exe" "D:\Backup Projects.ffs_batch"</span>
<BR>
<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.
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<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. <span class="file_path">H:\</span>, to let RealtimeSync call it when the stick is mounted. Configure RealtimeSync as follows:<BR>
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<IMG SRC="../images/WatchUsbInsert.png">
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<P>Whenever directory <span class="file_path">H:\Data</span> 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 <span class="file_path">H:\Data</span>.
</P>
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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><span class="command_line">%change_path%</span></B> and <B><span class="command_line">%change_action%</span></B>.
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<P><B>Example:</B> Log names of changed files and directories (Windows)</P>
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Show which file or directory has triggered a change. Enter command line:<BR>
<span class="command_line"> cmd /c echo %change_action% "%change_path%" & pause</span>
<BR><BR>
Write a list of all changes to a log file:<BR>
<span class="command_line">
cmd /c echo %change_action% "%change_path%" >> %UserProfile%\Desktop\log.txt
</span>
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<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
<span class="file_path">HideConsole.vbs</span> located in FreeFileSync's installation directory:
<br><br>
<span class="command_line">wscript "C:\Program files\FreeFileSync\HideConsole.vbs" C:\MyBatchFile.cmd</span>
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<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><span class="command_line">%changed_file%</span></b>.
<LI>While RealtimeSync is executing the command line, monitoring is inactive and changes occurring during this time are not detected.
</UL>
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