How to remove dash in file name?

Question

cmd/bat

There is a file te-st.txt how to remove a dash in the file name so that the file is of this type test.txt using a batch file? Provided that there are a lot of such files with a dash
For example

ert-ert.txt
Oto-to.txt
...

How to remove dashes in all of them while preserving the content

Answer 1

For the current directory:
Get-ChildItem *.txt | Rename-Item -newname {$_.name -replace '-',''}
The name of the desired directory can be specified in the first cmdlet...

Answer 2

I also tried with images in jpg format, but it did not work. Launched from PowerShell in Windows 10 in the same directory as the files, changed txt to jpg. Maybe there is a condition that the files start with fi, but my names are different?