Exporting in CSV is giving incorrect result

In the below code I am trying to merge two csv files on the basis of one common parameter - Employee id. I am getting the desired result in powershell , however, while exporting to a csv I am getting incorrect data.

$UserList=Import-Csv -Path "j:\testad.csv"
$UserData = Import-Csv "j:\testswn.csv"
Foreach ($User in $UserList)
{
    Foreach($Data in $UserData)
    {
        If($User.EmployeeId -eq $Data.EmployeeId)
        {
          
          $a=$Data.EmployeeID
          $b=$User.Givenname
            $c=$User.sn
          $d=$User.EmailAddress
          $e=$User.StreetAddress
          $f=$User.City
          $g=$User.State
                $h=$User.Country
          $i=$User.PostalCode      
          $j=$Data.Telephone
          $k=$Data.PersonalEmail

          $e=$a+" "+ $b+ " " + $c+" "+$d+" "+$e+" "+$f+" "+$g+" "+$h+" "+$i+" "+$j+" "+$k
            $temp= $e
          $temp    
                 
        }
    }
          
}
$temp|Export-Csv "j:\testresult2.csv" -NoTypeInformation
Aakash AggarwalAsked:
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oBdACommented:
Tr this:
$UserList = Import-Csv -Path "j:\testad.csv"
$UserData = Import-Csv -Path "j:\testswn.csv"
$Lookup = @{}
$UserData | ForEach-Object {$Lookup[$_.EmployeeID] = $_}
$UserList | Select-Object -Property `
	EmployeeID, Givenname, sn, EmailAddress, StreetAddress, City, State, Country, PostalCode, `
	@{n='Telephone'; e={$Lookup[$_.EmployeeID].Telephone}}, @{n='PersonalEmail'; e={$Lookup[$_.EmployeeID].PersonalEmail}} |
	Export-Csv -NoTypeInformation -Path "j:\testresult2.csv"

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Aakash AggarwalAuthor Commented:
Now I am getting the data in CSV, however the result is giving data for all emp id in csv file2, however, it should give only for those which have same emp ids in table 1.
0
oBdACommented:
You're looking at the wrong file, This is not the output generated by my script, this is leftover from your old script.
Since you didn't provide any sample csv, I've created them based on the properties specified:
UserList:
EmployeeID, Givenname, sn, EmailAddress, StreetAddress, City, State, Country, PostalCode
ei01, gn01, sn01, em01, sa01, ci01, st01, co01, pc01
ei02, gn02, sn02, em02, sa02, ci02, st02, co02, pc02

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UserData:
EmployeeID, Telephone, PersonalEmail
ei01, te01, pe01
ei02, te02, pe02

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Result:
"EmployeeID","Givenname","sn","EmailAddress","StreetAddress","City","State","Country","PostalCode","Telephone","PersonalEmail"
"ei01","gn01","sn01","em01","sa01","ci01","st01","co01","pc01","te01","pe01"
"ei02","gn02","sn02","em02","sa02","ci02","st02","co02","pc02","te02","pe02"

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Aakash AggarwalAuthor Commented:
Everything is fine but the thing is in one CSV file for some Employees id they are in 6 digits and others in 5 digits, so there the matching result we are getting is incorrect.

Ex- If in my first CSV there are 2 records of Employee id - 123456, 034567 where as in second CSV file it is like- 123456, 34567(0 is not there), so how can we change the equate equation for employee ids so that we can match 6 digits employee id with 5 digits in second csv?

$UserData | ForEach-Object {$Lookup[$_.EmployeeID] = $_}
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