Improved Excel file handling, CSV file handling

Sources/Invoke-ElectronicsDataPointExtraction.ps1

-Import-Module -Name "$PSScriptRoot\Module\ElectronicsDataHandling"
-Convert-ElectronicsDataFile
+Start-Transcript -Path "$PSScriptRoot\..\Log\$(Get-Date -Format "yyyy-MM-dd-HHmmss").log"
+
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+Import-Module -Name "$PSScriptRoot\Module\ElectronicsDataHandling" -Force
+Convert-ElectronicsDataFile -Verbose
+
+Stop-Transcript
\ No newline at end of file

Sources/Module/ElectronicsDataHandling/ElectronicsDataHandling.psm1

@@ -77,7 +77,7 @@ function Import-RequiredModules {
                     Write-Verbose "Imported module '$ModuleName'"
                 } catch {
                     Write-Warning "Module '$ModuleName' could not be imported"
-                    break
+                    return
                 }
             }
         }
@@ -107,7 +107,9 @@ function Convert-ElectronicsDataFile {
         $OutputFilePath
     )
 
-    begin {
+    begin {} 
+
+    process {
         Import-RequiredModules
 
         #region Select input file
@@ -122,9 +124,15 @@ function Convert-ElectronicsDataFile {
             $null = $FileBrowser.ShowDialog()
             $SourceFile = Get-Item -Path $FileBrowser.FileName
             
-            Write-Verbose "Source file is '$($SourceFile.FullName)'`n$SourceFile"
+            Write-Verbose "Source file is '$($SourceFile.FullName)'"
+        }
+        $FileExtension = $SourceFile.Extension
+        if ($FileExtension -notmatch '.txt|.xlsx|.csv') {
+            Write-Warning "File format is not supported: '$FileExtension'"
+            return
         }
         #endregion 
+        Write-Output "What"
 
         #region Select output file
         if (-not ($OutputFilePath)) {
@@ -145,31 +153,25 @@ function Convert-ElectronicsDataFile {
         $SaveStatus = $SaveFileDialog.ShowDialog()
             
         if ($SaveStatus -eq 'Cancel') {
-            Write-Verbose 'Save file dialog got cancelled'
-            break
+            Write-Warning 'Save file dialog got cancelled'
+            return
         }
 
-        $OutputFile = New-Item -Path $SaveFileDialog.FileName -Force
-    
+        $OutputFilePath = $SaveFileDialog.FileName
         #endregion
 
         $Selector = Get-SelectorFromDialog
 
-        $FileExtension = $SourceFile.Extension
-        if ($FileExtension -notmatch '.txt|.xlsx') {
-            Write-Warning "File format is not supported: '$FileExtension'"
-            break
-        }
 
         Write-Output "Importing content from '$($SourceFile.FullName)'"
 
         switch ($FileExtension) {
-            '.xlsx' { $Data = Import-Excel -Path $SourceFile.FullName -NoHeader }
+            '.csv' { $Data = Import-CSV -Path $SourceFile.FullName }
             '.txt' { $Data = Get-Content -Path $SourceFile.FullName }
+            '.xlsx' { $Data = Import-Excel -Path $SourceFile.FullName -NoHeader }# -AsText *}
         }
-    }
+        
     
-    process {
         $i = 0
         $Result = $Data | ForEach-Object {
             if ($i % $Selector -eq 0) {
@@ -177,20 +179,23 @@ function Convert-ElectronicsDataFile {
             }
             $i++
         }
-    }
-    
-    end {
         switch ($FileExtension) {
-            '.xlsx' { 
-                $Result | Export-Excel -Path $OutputFile -NoHeader 
+            '.csv' {
+                $Result | Export-CSV -Path $OutputFilePath -NoTypeInformation
             }
             '.txt' { 
-                $Result | Set-Content -Path $OutputFile 
+                $null = New-Item -Path $OutputFilePath -Force
+                $Result | Set-Content -Path $OutputFilePath
+            }
+            '.xlsx' { 
+                $Result | Export-Excel -Path $OutputFilePath -NoHeader -ClearSheet
             }
         }
-        Write-Verbose "Created file '$OutputFile'"
-        Invoke-Item -Path $OutputFile.DirectoryName
+        Write-Verbose "Created file '$OutputFilePath'"
+        Invoke-Item -Path (Get-Item -Path $OutputFilePath).DirectoryName
     }
+    
+    end {}
 }
 
-Export-ModuleMember -Function Convert-ElectronicsDataFile
+Export-ModuleMember -Function Convert-ElectronicsDataFile
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