PowerShell–Find and replace files

Scenario – A file is present at many locations in folder and its subfolders. We need to find the file in all the locations of given path and replace it with the new updated file. The new updated file name may be same as old one or may be different too…

Above scenario is implemented using PowerShell script –

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<#

.Synopsis
     Search and Replace File

.Discription
     It searches and then replaces file.

#>

param ([parameter(Mandatory=$True,Position=0)]
         [string][ValidateNotNullOrEmpty()]$FileLocationToSearch,

        [Parameter(Mandatory=$true, Position=1)]
         [string][ValidateNotNullOrEmpty()]$FileName,
        
         [Parameter(Mandatory=$true, Position=1)]
         [string][ValidateNotNullOrEmpty()]$FilelocationForReplace)       
      

$FilePaths = Get-ChildItem -Path $FileLocationToSearch -Recurse -File | Where-Object {$_.Name -eq $FileName} | Select -ExpandProperty FullName

foreach ($File in $FilePaths)
{
     $DestFilePath = Split-Path -Path $File
     Write-Host “—————————————————–”
     Write-Host $File  
     Remove-Item $File  
     Write-Host $File “DELETED!!!”
     Copy-Item -Path $FilelocationForReplace -Destination $DestFilePath -Force
     Write-Host $FilelocationForReplace ” — Copied Successfully to $DestFilePath”
     Write-Host “—————————————————–“
}

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Flow of program –

1) It is finding file from all folders and subfolders from a given location as input

2) In foreach loop, for every location found, it is deleting the found file and then copying the updated file back on that location

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