PowerShell/Docs/check-drive-space.md

## The *check-drive-space.ps1* Script

This PowerShell script checks a drive for free space left (20 GB by default).

## Parameters
```powershell
check-drive-space.ps1 [[-Drive] <String>] [[-MinLevel] <Int32>] [<CommonParameters>]

-Drive <String>
    Specifies the drive to check
    
    Required?                    false
    Position?                    1
    Default value                
    Accept pipeline input?       false
    Accept wildcard characters?  false

-MinLevel <Int32>
    Specifies the minimum level in Gigabyte
    
    Required?                    false
    Position?                    2
    Default value                20
    Accept pipeline input?       false
    Accept wildcard characters?  false

[<CommonParameters>]
    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```

## Example
```powershell
PS> ./check-drive-space C
✔️ 172 GB left on drive C (61 of 233 GB used)

```

## Notes
Author: Markus Fleschutz | License: CC0

## Related Links
https://github.com/fleschutz/PowerShell

## Source Code
```powershell
<#
.SYNOPSIS
	Checks a drive for free space left 
.DESCRIPTION
	This PowerShell script checks a drive for free space left (20 GB by default).
.PARAMETER Drive
	Specifies the drive to check
.PARAMETER MinLevel
	Specifies the minimum level in Gigabyte
.EXAMPLE
	PS> ./check-drive-space C
	✔️ 172 GB left on drive C (61 of 233 GB used)
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

param([string]$Drive = "", [int]$MinLevel = 20) # minimum level in GB

try {
	if ($Drive -eq "" ) { $Drive = read-host "Enter drive to check" }

	$DriveDetails = (get-psdrive $Drive)
	[int]$Free = (($DriveDetails.Free / 1024) / 1024) / 1024
	[int]$Used = (($DriveDetails.Used / 1024) / 1024) / 1024
	[int]$Total = ($Used + $Free)

	if ($Free -lt $MinLevel) {
        	write-warning "Drive $Drive has only $Free GB left to use! ($Used of $Total GB used, minimum is $MinLevel GB)"
		exit 1
	}

	& "$PSScriptRoot/speak-english.ps1" "Drive $Drive has $Free GB left ($Total GB total)"
	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}
```

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