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I'm trying to understand some weird behaviour with this cmdlet.
If I use "Out-File -append Filename.txt" on a text file that I created and entered text into via the windows context menu, the string will append to the last line in that file as a series of space separated characters.
So:
"This is a test" | out-file -append textfile.txt
Will produce: T h i s i s a t e s t
This wont happen if out-file creates the file, or if the text file has no text in it prior to appending. Why does this happen?
I will also note that repeating the command will just append in the same way to the same line. I guess it doesn't recognise newline or line break terminator or something due to changed encoding?
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PowerShell string Split() function splits the string into multiple substrings based on the specified separator. To split on newline in a string, you can use the Split() method with [Environment::Newline].
The Out-String cmdlet converts input objects into strings. By default, Out-String accumulates the strings and returns them as a single string, but you can use the Stream parameter to direct Out-String to return one line at a time or create an array of strings.
Use `N to Break Lines in PowerShell You can use the new line `n character to break lines in PowerShell. The line break or new line is added after the `n character.
`n is used in Powershell to append a new line to the standard output. The use of `n in Powershell is similar to \n in C++ or Java. The backtick character (`) represents an escape character in Powershell.
Out-File defaults to unicode encoding which is why you are seeing the behavior you are. Use -Encoding Ascii to change this behavior. In your case
Out-File -Encoding Ascii -append textfile.txt.
Add-Content uses Ascii and also appends by default.
"This is a test" | Add-Content textfile.txt.
As for the lack of newline: You did not send a newline so it will not write one to file.
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