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<p><strong>Syntax:</strong></p>
<pre class="codeblock" id="GUID-30D42D54-E708-4704-8897-3356E0EF9133">[int] sysinfo.drivefree(String drivename)</pre>
<p><strong>Description:</strong></p>
<p>The <code>drivefree</code> method can be used to detect the space available for memory storage on a device.</p>
<p><strong>Argument:</strong></p>
<ul>
<li><p><code>drivename</code>:</p>
<p>Specifies the name of a drive to be examined.</p>
</li>
</ul>
<p><strong>Return value:</strong></p>
<p>If the drive exists, this method returns an integer value indicating the available space on the specified drive, measured in bytes.</p>
<p><strong>Example code:</strong></p>
<pre class="codeblock" id="GUID-B6522445-704B-4521-9A80-DBF635EA7526">function checkDrivesInformation() {
var space = 0;
// get existing user's drives
var allDrives = sysinfo.drivelist;
var drives = allDrives.split(" ");
// read and print all drives’ name and information
for (var i=0; i<drives.length; i++) {
space = sysinfo.drivesize(drives[i]);
space /=1024; // convert from bytes to kB
alert("Total space of drive "+drives[i]+" ="+space+"kB";
space = sysinfo.drivefree(drives[i]);
space /=1024; // convert from bytes to kB
alert("Free space of drive "+drives[i]+" ="+space+"kB";
}
}</pre>
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