ImportExcel.psm1
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Add-Type -Path "$($PSScriptRoot)\EPPlus.dll" . $PSScriptRoot\Export-Excel.ps1 . $PSScriptRoot\New-ConditionalFormattingIconSet.ps1 function Import-Excel { param( [Alias("FullName")] [Parameter(ValueFromPipelineByPropertyName=$true, ValueFromPipeline=$true, Mandatory)] $Path, $Sheet=1, [string[]]$Header ) Process { $Path = (Resolve-Path $Path).Path write-debug "target excel file $Path" $stream = New-Object -TypeName System.IO.FileStream -ArgumentList $Path,"Open","Read","ReadWrite" $xl = New-Object -TypeName OfficeOpenXml.ExcelPackage -ArgumentList $stream $workbook = $xl.Workbook $worksheet=$workbook.Worksheets[$Sheet] $dimension=$worksheet.Dimension $Rows=$dimension.Rows $Columns=$dimension.Columns if(!$Header) { $Header = foreach ($Column in 1..$Columns) { $worksheet.Cells[1,$Column].Text } } foreach ($Row in 2..$Rows) { $h=[Ordered]@{} foreach ($Column in 0..($Columns-1)) { if($Header[$Column].Length -gt 0) { $Name = $Header[$Column] $h.$Name = $worksheet.Cells[$Row,($Column+1)].Text } } [PSCustomObject]$h } $stream.Close() $stream.Dispose() $xl.Dispose() $xl = $null } } function Export-ExcelSheet { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [String] $Path, [String] $OutputPath = '.\', [String] $SheetName, [string] $Encoding = 'UTF8', [string] $Extension = '.txt', [string] $Delimiter = ';' ) $Path = (Resolve-Path $Path).Path $xl = New-Object -TypeName OfficeOpenXml.ExcelPackage -ArgumentList $Path $workbook = $xl.Workbook $targetSheets = $workbook.Worksheets | Where {$_.Name -Match $SheetName} $params = @{} + $PSBoundParameters $params.Remove("OutputPath") $params.Remove("SheetName") $params.NoTypeInformation = $true Foreach ($sheet in $targetSheets) { Write-Verbose "Exporting sheet: $($sheet.Name)" $params.Path = "$OutputPath\$($Sheet.Name)$Extension" Import-Excel $Path -Sheet $($sheet.Name) | Export-Csv @params -Encoding $Encoding } $xl.Dispose() } function Add-WorkSheet { param( #TODO Use parametersets to allow a workbook to be passed instead of a package [Parameter(Mandatory=$true, ValueFromPipeline=$true)] [OfficeOpenXml.ExcelPackage] $ExcelPackage, [Parameter(Mandatory=$true)] [string] $WorkSheetname, [Switch] $NoClobber ) if($ExcelPackage.Workbook.Worksheets[$WorkSheetname]) { if($NoClobber) { $AlreadyExists = $true Write-Error "Worksheet `"$WorkSheetname`" already exists." } else { Write-Debug "Worksheet `"$WorkSheetname`" already exists. Deleting" $ExcelPackage.Workbook.Worksheets.Delete($WorkSheetname) } } $ExcelPackage.Workbook.Worksheets.Add($WorkSheetname) } function ConvertFrom-ExcelSheet { <# .Synopsis Reads an Excel file an converts the data to a delimited text file .Example ConvertFrom-ExcelSheet .\TestSheets.xlsx .\data Reads each sheet in TestSheets.xlsx and outputs it to the data directory as the sheet name with the extension .txt .Example ConvertFrom-ExcelSheet .\TestSheets.xlsx .\data sheet?0 Reads and outputs sheets like Sheet10 and Sheet20 form TestSheets.xlsx and outputs it to the data directory as the sheet name with the extension .txt #> [CmdletBinding()] param ( [Alias("FullName")] [Parameter(Mandatory = $true)] [String] $Path, [String] $OutputPath = '.\', [String] $SheetName="*", [string] $Encoding = 'UTF8', [string] $Extension = '.txt', [string] $Delimiter = ';' ) $Path = (Resolve-Path $Path).Path $stream = New-Object -TypeName System.IO.FileStream -ArgumentList $Path,"Open","Read","ReadWrite" $xl = New-Object -TypeName OfficeOpenXml.ExcelPackage -ArgumentList $stream $workbook = $xl.Workbook $targetSheets = $workbook.Worksheets | Where {$_.Name -like $SheetName} $params = @{} + $PSBoundParameters $params.Remove("OutputPath") $params.Remove("SheetName") $params.NoTypeInformation = $true Foreach ($sheet in $targetSheets) { Write-Verbose "Exporting sheet: $($sheet.Name)" $params.Path = "$OutputPath\$($Sheet.Name)$Extension" Import-Excel $Path -Sheet $($sheet.Name) | Export-Csv @params -Encoding $Encoding } $stream.Close() $stream.Dispose() $xl.Dispose() } function Export-MultipleExcelSheets { param( [Parameter(Mandatory)] $Path, [Parameter(Mandatory)] [hashtable]$InfoMap, [string]$Password, [Switch]$Show, [Switch]$AutoSize ) $parameters = @{}+$PSBoundParameters $parameters.Remove("InfoMap") $parameters.Remove("Show") $parameters.Path = $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath($Path) foreach ($entry in $InfoMap.GetEnumerator()) { Write-Progress -Activity "Exporting" -Status "$($entry.Key)" $parameters.WorkSheetname=$entry.Key & $entry.Value | Export-Excel @parameters } if($Show) {Invoke-Item $Path} } |