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GetFreeSpace
Last update:
May 18, 2026
Description
Gets information about free hard disk space or free in-memory VFS space.
Returns
Returns the free space in bytes.
Syntax
getFreeSpace(path)Parameters
Parameter | Description |
path | Path to the
|
Usage
See the usage section for GetTotalSpace.
Example
In the following example, in-memory file system memory for the application is set to 20 MB in ColdFusion Administrator. The function returns 20, which means the total space considered is 20 MB. This is because the value specified in the ColdFusion Administrator (Memory Limit per Application for In-Memory Virtual File System) is lesser than the value specified in the Application.cfc (20 MB).Application.cfc
<cfcomponent>
<cfset this.name = "vfs_total_space">
<cfset this.inmemoryfilesystem.size = 30>
</cfcomponent>space.cfm
<cftry>
<cfset totalRAMSpace = getTotalSpace("ram:")>
<cfset freeRAMSpace = getFreeSpace("ram:")>
<cfset totalDiskSpace = getTotalSpace("c:")>
<cfset freeDiskSpace = getFreeSpace("c:")>
<cfoutput>
Total Hard Disk Space = #DecimalFormat(totalDiskSpace / (1024 * 1024 * 1024))# GB
<br>Free Hard Disk Space = #DecimalFormat(freeDiskSpace / (1024 * 1024 * 1024))# GB
<br>Total Application RAM Memory = #DecimalFormat(totalRAMSpace / (1024 * 1024))# MB
<br>Free Application RAM Memory = #DecimalFormat(freeRAMSpace / (1024 * 1024))# MB
<br>
</cfoutput>
<cfcatch type="any">
<cfoutput>
#cfcatch.message#
<br>#cfcatch.detail#
<br>
</cfoutput>
</cfcatch>
</cftry>
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