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Objects ::: Collect Objects in an array and list them

This snippet show how to Collect objects in an array and list them.

Collect objects in an array is very usefull to pass information between functions in a flow. For instance you can use this technique in a loop to collect results and after show a summary listing collected objects.

Core Snippet

# Objects ::: Collect in an array and list them
# www.PowerShellExamples.com


# Declare array of objects to collect them -_-
$resultObjArr = @()

#Create sample Object -_-
$resultObj=[PSCustomObject]@{
    ExitCode = 2
    ExitMessage = "Sample Object"
}

# Add to Array
$resultObjArr += $resultObj

# Show Result Summary report
$resultObjArr | Format-Table -Wrap | Out-String | Write-Host -ForegroundColor Green




Practical Sample

Copy text below into a power shell session and execute to see the code in action.

# Practical Sample

# Sample: Objects ::: Collect in an array and list them
# www.PowerShellExamples.com


# Declare array of objects to collect them -_-
$resultObjArr = @()




# Create multiple result objects
for ($i = 0; $i -lt 5; $i++) {

    #Create sample Object -_-
    $resultObj=[PSCustomObject]@{
        Target = "Element $i"
        ExitCode = 2
        ExitMessage = "Sample Object"
    }

    # Update Result Object Properties
    if($i -eq 1 -or $i -eq 3){
        $resultobj.ExitCode = "Ok"
        $resultObj.ExitMessage = "Odd Number."
    }else{
        if($i -eq 0){
            $resultobj.ExitCode = "Error"
            $resultObj.ExitMessage = "Sample Error."
        }else{
            $resultobj.ExitCode = "Warn"
            $resultObj.ExitMessage = "Sample Warning."
        }
    }

    # Add to Array
    $resultObjArr += $resultObj

}



# Show Result Summary report
$resultObjArr | Format-Table -Wrap | Out-String | Write-Host -ForegroundColor Green


Result

PS C:\>



Target    ExitCode ExitMessage    
------    -------- -----------    
Element 0 Error    Sample Error.  
Element 1 Ok       Odd Number.    
Element 2 Warn     Sample Warning.
Element 3 Ok       Odd Number.    
Element 4 Warn     Sample Warning.