powershell 在CSV文件中查找重复的列值

Posted 2021-05-22

/*
$csvFile = "C:\Users\ernest\eCargo\Tasks\EC-2686 Duplicate invoice line rows appearing\ReconciliationDetails_20180713_1211.csv"
$columnName = "Delivery No"

$recon = import-csv $csvFile

$recon | group-object -Property $columnName | ? { $_.Count -gt 1 } 
*/

function FindDuplicateColumnValuesInCsv {
  param(
    [string]$CsvFile,
    [string]$ColumnName = "Delivery No")

  $recon = import-csv $csvFile
   
  $recon | group-object -Property $columnName | ? { $_.Count -gt 1 }   
}