diff --git a/extra/testing_ps.ps1 b/extra/testing_ps.ps1
deleted file mode 100644
index ad93665..0000000
--- a/extra/testing_ps.ps1
+++ /dev/null
@@ -1,101 +0,0 @@
-# PowerShell - read csv with datatypes
-# CSV Lint plug-in: v0.4.6.7β2
-# File: sort_test123.csv
-# Date: 19-jun-2024 22:57
-#
-# NOTE:
-# This is a generated script and it doesn't handle all potential data errors.
-# The script is meant as a starting point for processing your data files.
-# Adjust and expand the script for your specific data processing needs.
-# Always back-up your data files to prevent data loss.
-
-# working directory and filename
-$pathname = "C:\Users\bas_d\source\repos\CSVLintNppPlugin\extra\"
-$filename = $pathname + "sort_test123.csv"
-
-# read csv data file
-$csvdata = Get-Content -Path $filename | Select-Object -Skip 2 | ConvertFrom-Csv -Delimiter "`t"
-
-# Explicit datatypes
-# WARNING: PowerShell has very basic error handling for null or invalid values,
-# so if your data file contains integer, decimal or datetime columns with empty or incorrect values,
-# this script can throw errors, silently change values to '0' or omit rows in the output csv, so beware.
-$line = 0
-foreach ($row in $csvdata)
-{
-	$line += 1
-	try {
-		$row.test123           = [decimal]($row.test123 -replace '\.', '' -replace ',', '.')
-		$row."Order date"      = [datetime]::parseexact($row."Order date", 'dd-MM-yy', $null)
-		$row."Order price"     = [decimal]($row."Order price" -replace '\.', '' -replace ',', '.')
-		$row."Parts group"     = $row."Parts group".Trim(' "')
-		$row."Order description" = $row."Order description".Trim(' "')
-	} catch {
-		Write-Error "Data conversion error(s) on line $line" -TargetObject $row
-	}
-}
-
-# Enumeration allowed values
-$Parts_group_array = @("CARBODY", "CHASSIS", "CLIMATE", "ELECTRA", "ENGINE", "INTERIO")
-
-# enumeration check invalid values
-$line = 0
-foreach ($row in $csvdata)
-{
-	# check invalid values
-	$errmsg = ""
-	if ($row."Parts group" -and !($Parts_group_array -contains $row."Parts group")) {$errmsg += "Invalid ""Parts group"" ""$($row."Parts group")"" "}
-
-	# report invalid values
-	$line = $line + 1
-	if ($errmsg) {Write-Error "$errmsg on line $line" -TargetObject $row}
-}
-
-# Remove or uncomment the script parts below to filter, transform, merge as needed
-
-# --------------------------------------
-# Data filter suggestions
-# --------------------------------------
-# filter on value or date range
-$csvdata = $csvdata | Where-Object { $_."Order date" -gt [DateTime]::Parse("1970-01-01") -and $_."Order date" -lt [DateTime]::Parse("2000-01-01") }
-
-# Reorder or remove columns (edit code below)
-$csvnew = $csvdata | ForEach-Object {
-	[PSCustomObject]@{
-		# Reorder columns
-		test123           = $_.test123
-		"Order date"      = $_."Order date".ToString("dd-MM-yyyy")
-		"Order price"     = $_."Order price"
-		"Parts group"     = $_."Parts group"
-		"Order description" = $_."Order description"
-		YesNo_int         = switch ($_."Parts group") {
-						"CARBODY" {"111"}
-						"CHASSIS" {"222"}
-						"CLIMATE" {"333"}
-						"ELECTRA" {"444"}
-						default {$_}
-					}
-		#		bmi               = [math]::Round($_.Weight / ($_.Height * $_.Height), 2)
-		#		cent_pat          = $_.centercode.SubString(0, 2) + "-" + patientcode # '01-123' etc
-	}
-}
-
-# --------------------------------------
-# Merge data example
-# --------------------------------------
-## Merge datasets in PowerShell requires custom external modules which goes beyond the scope of this generated script
-##Install-Module -Name Join-Object
-##$merged_df = Join-Object -Left $patients -Right $visits -LeftJoinProperty 'PATIENT_ID' -RightJoinProperty 'PATIENT_ID' -ExcludeRightProperties 'Junk' -Prefix 'R_' | Format-Table
-
-# csv write new output
-$filenew = $pathname + "output.txt"
-#$csvnew | Export-Csv -Path $filenew -Encoding utf8 -Delimiter "`t" -NoTypeInformation
-
-# alternatively, write as fixed width
-$stream_out = New-Object System.IO.StreamWriter $filenew
-foreach ($row in $csvnew)
-{
-	# {colnr,width} space etc, negative width means left aligned
-	$stream_out.WriteLine(("{0,15} {1,-9} {2,6} {3,-9} {4,-17}" -f $row.test123, $row."Order date", $row."Order price", $row."Parts group", $row."Order description"))
-}
-$stream_out.Dispose()