You can use PowerShell Get-Content and Set-Content cmdlets to replace every occurrence of a string in a file. Here is a quick example for you –
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## Write something into a file echo @' Welcome to the world of PowerShell PowerShell is very powerfull '@ > myscript.txt ## Get the content Get-Content -Path .\myscript.txt ## Replace "PowerShell" with "Linux" (Get-Content .\myscript.txt) -replace 'PowerShell', 'Linux' | Set-Content .\myscript.txt ## Validate Get-Content -Path .\myscript.txt |