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<html>
<head>
<title>EAGLE Help: Automatic Backup</title>
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<i>EAGLE Help</i>
<h1><center>Automatic Backup</center></h1>
<hr>
<b>Maximum backup level</b>
<p>
The WRITE command creates backup copies of the saved files.
These backups have the same name as the original file, with a
modified extension that follows the pattern
<pre>
.x#n
</pre>
In this pattern <tt>'x'</tt> is replaced by the character
<p>
<tt>'b'</tt> for board files<br>
<tt>'s'</tt> for schematic files<br>
<tt>'l'</tt> for library files
<p>
<tt>'n'</tt> stands for a single digit number in
the range 1..9. Higher numbers indicate older files.
<p>
The fixed '#' character makes it easy to delete all backup files
with the operating system command
<pre>
rm *.?#?
</pre>
Note that backup files with the same number 'n' do not necessarily
represent consistent combinations of board and schematic files!
<p>
The maximum number of backup copies can be set in the
<a href=14.htm>backup dialog</a>.
<p>
<b>Auto backup interval</b>
<p>
If a drawing has been modified a safety backup copy will be automatically
created after at most the given <i>Auto backup interval</i>.
<p>
This safety backup file will have a name that follows the pattern
<pre>
.x##
</pre>
In this pattern <tt>'x'</tt> is replaced by the character
<p>
<tt>'b'</tt> for board files<br>
<tt>'s'</tt> for schematic files<br>
<tt>'l'</tt> for library files
<p>
The safety backup file will be deleted after a successful regular save
operation. If the drawing has not been saved with the WRITE command
(e.g. due to a power failure) this file can be renamed and loaded as a
normal board, schematic or library file, repectively.
<p>
The auto backup interval can be set in the <a href=14.htm>backup dialog</a>.
<hr>
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