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Collect file properties from running processes and append to variable for export to CSV

Posted on 2016-08-25
Last Modified: 2016-08-25

I'm trying to export particular meta data from exe files running processes. Ideally everything listed in the VersionInfo tabbed in section., plus the dates. I've been finding PowerShell pretty logical and straight forward so far, but this has me stumped.

I've been trying a whole host of different ways to do this,. And it works if I use out-file, but I'd like the data to be exported as a csv.

I guess I have 2 problems, 1 the Select-Object doesn't seem to access the VersionInfo sub-properties and when ever I try to export it to CSV it fails.

Is there a way of appending objects together, so that they can be handled correctly by the export-csv? Or selecting the data and converting to csv, before appending?

Thank you

$arr = Get-WmiObject Win32_Process -Computer $MachineName  | select ExecutablePath -ExpandProperty ExecutablePath
$data = $null

foreach ($File in $arr)
    if (-Not ([string]::IsNullOrWhitespace($file)))
      $Data += Get-ItemProperty -Path $File | Format-list -Property * -Force
      #$Data += Get-ItemProperty -Path $File | Select-Object VersionInfo | ConvertTo-Csv


$Data | export-csv $FullPath

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This kind of data, but in a single CSV for all files.
VersionInfo       : File:             C:\Windows\system32\taskhostex.exe
                    InternalName:     taskhostex.exe
                    OriginalFilename: taskhostex.exe.mui
                    FileVersion:      6.3.9600.16384 (winblue_rtm.130821-1623)
                    FileDescription:  Host Process for Windows Tasks
                    Product:          Microsoft® Windows® Operating System
                    ProductVersion:   6.3.9600.16384
                    Debug:            False
                    Patched:          False
                    PreRelease:       False
                    PrivateBuild:     False
                    SpecialBuild:     False
                    Language:         English (United States)
CreationTime      : 22/11/2014 12:44:54 PM
CreationTimeUtc   : 22/11/2014 1:44:54 AM
LastAccessTime    : 25/08/2016 1:51:39 PM
LastAccessTimeUtc : 25/08/2016 3:51:39 AM
LastWriteTime     : 22/11/2014 12:44:54 PM
LastWriteTimeUtc  : 22/11/2014 1:44:54 AM
Question by:Dave Scott
  • 2
LVL 84

Accepted Solution

oBdA earned 500 total points
ID: 41769910
The VersionInfo field has no defined values. For exes, you can usually rely on ProductVersion and FileVersion, but even those are not set for every file. Inother words: you have to pick a list of properties that are likely to be there if you want the resukts to be exported to a common csv.
$ComputerName = $ENV:ComputerName
Get-WmiObject Win32_Process -Computer $ComputerName |
	Select-Object -ExpandProperty ExecutablePath |
	Get-Item |
	Select-Object -Property `
		@{n='ComputerName'; e={$ComputerName}},
		@{n='FileVersion'; e={$_.VersionInfo.FileVersion}},
		@{n='ProductVersion'; e={$_.VersionInfo.ProductVersion}},
		@{n='OriginalFilename'; e={$_.VersionInfo.OriginalFilename}},
		@{n='Language'; e={$_.VersionInfo.Language}},
		LastWriteTime |
	Export-Csv -Path C:\Temp\ProcessList.csv -NoTypeInformation

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Author Comment

by:Dave Scott
ID: 41769967
Awesome thank you.

I would never have gotten that, I didn't even know that   `    was a character in use in powershell or any different from '
LVL 84

Expert Comment

ID: 41769975
The backtick is Powershell's Escape character, and it can be used for line continuation as well.

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