PowerShell INI file input output

Modify-IniFiles.ps1

# source: https://devblogs.microsoft.com/scripting/use-powershell-to-work-with-any-ini-file/
# alternatively you can use PsINI Module https://www.powershellgallery.com/packages/PsIni/3.1.2

function Get-IniContent ($filePath)
{
    $ini = @{}
    switch -regex -file $FilePath
    {
        “^\[(.+)\]” # Section
        {
            $section = $matches[1]
            $ini[$section] = @{}
            $CommentCount = 0
        }
        “^(;.*)$” # Comment
        {
            $value = $matches[1]
            $CommentCount = $CommentCount + 1
            $name = “Comment” + $CommentCount
            $ini[$section][$name] = $value
        }
        “(.+?)\s*=(.*)” # Key
        {
            $name,$value = $matches[1..2]
            $ini[$section][$name] = $value
        }
    }
    return $ini
}

function Out-IniFile($InputObject, $FilePath)
{
    $outFile = New-Item -ItemType file -Path $Filepath
    foreach ($i in $InputObject.keys)
    {
        if (!($($InputObject[$i].GetType().Name) -eq “Hashtable”))
        {
            #No Sections
            Add-Content -Path $outFile -Value “$i=$($InputObject[$i])”
        } else {
            #Sections
            Add-Content -Path $outFile -Value “[$i]”
            Foreach ($j in ($InputObject[$i].keys | Sort-Object))
            {
                if ($j -match “^Comment[\d]+”) {
                    Add-Content -Path $outFile -Value “$($InputObject[$i][$j])”
                } else {
                    Add-Content -Path $outFile -Value “$j=$($InputObject[$i][$j])”
                }

            }
            Add-Content -Path $outFile -Value “”
        }
    }
}


$IniFile = Get-IniContent ".\sample.ini"