Updated readme

GetExcelTable.ps1

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+Function Get-ExcelTableName {
+    Param (
+        $Path,
+        $WorksheetName
+    )
+
+    $Path = (Resolve-Path $Path).ProviderPath
+    $Stream = New-Object -TypeName System.IO.FileStream -ArgumentList $Path, 'Open', 'Read', 'ReadWrite'
+
+    $Excel = New-Object -TypeName OfficeOpenXml.ExcelPackage -ArgumentList $Stream
+
+    if ($WorksheetName) {
+        $Worksheet = $Excel.Workbook.Worksheets[$WorkSheetName]
+    } else {
+        $Worksheet = $Excel.Workbook.Worksheets | Select-Object -First 1
+    }
+
+    foreach($TableName in $Worksheet.Tables.Name) {
+        [PSCustomObject][Ordered]@{
+            WorksheetName=$Worksheet.Name
+            TableName=$TableName
+        }
+    }
+
+    $Stream.Close()
+    $Stream.Dispose()
+    $Excel.Dispose()
+    $Excel = $null    
+}
+
+Function Get-ExcelTable {
+    Param (
+        $Path,
+        $TableName,
+        $WorksheetName
+    )
+
+    $Path = (Resolve-Path $Path).ProviderPath
+    $Stream = New-Object -TypeName System.IO.FileStream -ArgumentList $Path, 'Open', 'Read', 'ReadWrite'
+
+    $Excel = New-Object -TypeName OfficeOpenXml.ExcelPackage -ArgumentList $Stream
+
+    if ($WorksheetName) {
+        $Worksheet = $Excel.Workbook.Worksheets[$WorkSheetName]
+    } else {
+        $Worksheet = $Excel.Workbook.Worksheets | Select-Object -First 1
+    }
+
+    if($TableName) {
+        $Table = $Worksheet.Tables[$TableName]
+    } else {
+        $Table = $Worksheet.Tables | Select-Object -First 1
+    }
+
+    $rowCount = $Table.Address.Rows
+    $colCount = $Table.Address.Columns
+
+    $digits = "0123456789".ToCharArray()
+
+    $start, $end=$Table.Address.Address.Split(':')
+
+    $pos=$start.IndexOfAny($digits)
+    [int]$startCol=ConvertFrom-ExcelColumnName $start.Substring(0,$pos)
+    [int]$startRow=$start.Substring($pos)
+
+    $propertyNames = for($col=$startCol; $col -lt ($startCol+$colCount); $col+= 1) {
+        $Worksheet.Cells[$startRow, $col].value
+    }
+    
+    $startRow++
+    for($row=$startRow; $row -lt ($startRow+$rowCount); $row += 1) {
+        $nr=[ordered]@{}
+        $c=0
+        for($col=$startCol; $col -lt ($startCol+$colCount); $col+= 1) {
+            $nr.($propertyNames[$c]) = $Worksheet.Cells[$row, $col].value
+            $c++
+        }
+        [pscustomobject]$nr
+    }
+
+    $Stream.Close()
+    $Stream.Dispose()
+    $Excel.Dispose()
+    $Excel = $null
+}
+
+function ConvertFrom-ExcelColumnName {
+    param($columnName)
+
+    $sum=0
+    $columnName.ToCharArray() |
+        ForEach {
+            $sum*=26
+            $sum+=[char]$_.tostring().toupper()-[char]'A'+1
+        } 
+    $sum
+}
+
+cls
+
+ipmo .\ImportExcel.psd1 -Force
+
+#Get-ExcelTableName .\testTable.xlsx | Get-ExcelTable .\testTable.xlsx 
+Get-ExcelTable .\testTable.xlsx Table3