Edit an ASCII encoded text file containing binary portions

Question

With Powershell, I want to edit a file using :

Get-Content $inputFile | ForEach-Object {
    $_.Replace("|Foo;","|Bar;")
} | Out-File $outputFile

This file is ASCII encoded but contains binary portions

Doing the same replacement with Notepad++ works !

Comparing the inputFile and the outputFile with Notepad++ I have some changes I didn't want :

• The output file length (char count) has growed from the binary portion row count

• Before the change Notepad++ detect the End Of Line as "UNIX", after as Dos\Windows (But the file use CRLF = Windows EOL)

• In the binary portions, Notepad++ shows "CR" or "LF" EOL before transformation, and "CRLF" EOL

So it's clear that Powershell transforms some binary characters to windows End Of Line.

How to avoid it ?

Before the transformation:

After the transformation:

Answer 1

Thanks to @wOxxOm who gave me the solution :

    [IO.File]::WriteAllText(`
        $outputFile, `
        [IO.File]::ReadAllText($inputFile,[Text.Encoding]::GetEncoding("iso-8859-1")).Replace("|Foo;","|Bar;"),`
        [Text.Encoding]::GetEncoding("iso-8859-1")
    )

Edited taking account of @TomBlodget comment.