SplitNAVObjects.ps1
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#accept a given filename that points to a text export of one or more objects from NAV #create a directory (or clear it if it already exists) with the same name as the file #read the contents of the text file and split it between instances of "OBJECT " #create a separate text file in the new directory for each part of the split, reading #the object type and ID from the first part of the split text [CmdletBinding()] Param( [Parameter(Mandatory=$true,Position=1)] [string]$filename ) #create or clear the appropriate directory $directory = Split-Path -Path $filename -Parent $fileLeaf = Split-Path -Path $filename -Leaf $directory = $directory + "\" + $fileLeaf.Substring(0,$fileLeaf.LastIndexOf(".")) if ([IO.Directory]::Exists($directory)) { $childPath = Join-Path -Path $directory -ChildPath "*" Remove-Item -Path $childPath -Recurse } else { [IO.Directory]::CreateDirectory($directory) } #read the contents of the file and split using regex $fileContent = Get-Content -Path $filename -Raw $regexExpression = "\nOBJECT " $objects = [regex]::Split($fileContent,$regexExpression); Write-Progress -Activity "Writing files" $objectCount = $objects.Count $objectNo = 0 #iterate through the collection of text splits, reading the object type and ID and writing them to new files foreach($object in $objects) { if ($object.Length -gt 0) { $objectNo += 1; $status = "File {0} of {1}" -f $objectNo, $objectCount Write-Progress -Activity "Writing files" -Status $status -PercentComplete (($objectNo / $objectCount) * 100) if ($object.Substring(0,6) -ne "OBJECT") { $object = "OBJECT " + $object } if ($object.Substring(7,1) -eq '[') { $objectType = $object.Substring(8,$object.IndexOf(" ",9) - 8).Substring(0,3).ToUpper() } else { $objectType = $object.Substring(7,$object.IndexOf(" ",8) - 7).Substring(0,3).ToUpper() } $objectID = $object.Substring($object.IndexOf(" ",8) + 1,$object.IndexOf(" ",$object.IndexOf(" ",8) + 1) - $object.IndexOf(" ",8) - 1) $newFileName = $objectType + $objectID + ".TXT" $newFileName = Join-Path -Path $directory -ChildPath $newFileName #for reasons I'm not clear about splitting the objects introduces a singleton carriage return, the below lines gets rid of it $object = [regex]::Replace($object, "\r(?!\n)", '') #if this is the last object in the file there will be a trailing CRLF (again for reasons I'm not entirely clear about) if ($objectNo -eq $objectCount) { $object = $object.Remove($object.LastIndexOf("}") + 1) $object = $object + [Environment]::NewLine } if (Get-ChildItem $newFileName -ErrorAction SilentlyContinue) { Remove-Item -Path $newFileName } Add-Content -Path $newFileName -Value $object } } Write-Progress -Activity "Writing files" -Completed |