How to substitute characters in a file for strings and return them to another file in Powershell?

Question

PowerShell

Hello.

It is necessary to take the data from one file. Substitute characters at the beginning and end of lines of text and return the finished data to another file.
Wrote like this, but only one last line is returned:

$file = Get-Content "C:\Temp\result.txt"
$pp = "PP"
$pp111 = "pp111"

foreach ($line in $file) {
    "$pp$line$pp111" | Out-File -FilePath C:\Temp\re.txt -Encoding oem
}

Example text:

spoiler

You should look at the following URL's in order to grasp a solid understanding
of Nginx configuration files in order to fully unleash the power of Nginx.
https://www.nginx.com/resources/wiki/start/
https://www.nginx.com/resources/wiki/start/topics/...
https://wiki.debian.org/Nginx/DirectoryStructure

Finished option:

spoiler

PPhttps://wiki.debian.org/Nginx/DirectoryStructurepp111

How to make it so that all changed lines are transferred?

Answer 1

The Out-File cmdlet has the -Append parameter