Trivial stuff, but I don’t get to use PowerShell as much as I would like to so I end up forgetting elementary things that should just be second nature to me. Case in hand, I wanted to a add a line to a bunch of text files. Here’s what I came up with – just posting it here as a reference to my future selef.
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foreach ($file in $(Get-ChildItem *.ovpn)) { $(Get-Content $file) + "auth-user-pass pia.txt" | Out-File $file -Force -Encoding ascii } |
For the background behind this, I use Private Internet Access for my VPN needs and since last month or so my ISP’s been blocking traffic to it. Private Internet Access offers a client that lets me connects to their servers via UDP or TCP. The UDP option began failing but the TCP option surprisingly worked. Of course I don’t want to use TCP as that’s slow and so I went to Private Internet Access’s website where they give a bunch of OpenVPN config files we can use. These are cool in the sense that some of them connect via IP (instead of server name) while others connect to well-known ports or use a well-known local port and so there’s less chance of being blocked by the ISP. In my case turned out just connecting via IP was more than enough so it looks like the ISP isn’t blocking OpenVPN UDP ports, it’s just blocking UDP traffic to these server names.
Anyhow, next step was to stop the client from prompting for an username/ password. OpenVPN has an option auth-user-pass which lets you specify a file-name where the usrname and password are on separate lines. So all I had to do was create this file and add a line such as auth-user-pass pia.txt to all the configuration files. That’s what the code snippet above does.