Using get -childitem to scan different drives but append one text file.

Question

Folks,
I need some help, I wrote the below to scan for certain files types on client machines but I cant get the script to scan anything other than the C$. Apologies I am kind of new to scripting and PS. The script is kicked off using a batch file that makes the
CR directory on the clients. I think the problem stems from the $disk variable or the way I have used foreach or the loop - any help would be appreciated
Set-Location c:\
$s = new-object -comObject SAPI.SPVoice
$s.speak("Scan in progress")
write-host "Scanning for files"
$Extension = @("*.zip","*.rar","*.ppt","*.pdf")
$Path = "$env:userprofile\Desktop"
$disks = "c$","D$"
foreach ($disks in $disks)
{get-childitem -force -include $Extension -recurs -EA SilentlyContinue >$path\files.txt}
$s.speak("Scan completed")
Write-Host "Scan complete, files.txt created on your desktop - press any key to exit..."
$x = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyUp")
Remove-Item c:\cr -recurse -EA SilentlyContinue
exit

Answer 1

Then there is "$x = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyUp")" , What are you trying to do?
It looks like that is a pause after the code has completed to give the user time to read the message prior to exiting.
@V Sharma - As gaff-jakobs has mentioned, there are some parts of your code that need looked at. Please take a look at what he has advised and make the necessary changes. If you want to append data (doing a > does not append), I would look at using Out-File
-Append -FilePath <filename> to accomplish this. 
Usually, outputting to a text file limits what you can do with the output once it goes to a text file. I would look at using something such as Export-Csv -Append -Path instead (assuming you are running PowerShell V3). But if saving to a text file is part
of your requirement, then just be sure to use the first method I mentioned.
Boe Prox
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