Replacing characters in a text file with a batch file

Question

Is there a way to replace some characters in a text file with a batch file?

I didn\'t find any command to do that.

Answer 1

you can install unxutils and then do

sed "s/WORD_FROM/WORD_TO/" file_name > changed.file.name

to change words or

cat file|tr "a" "b"  > changed.file.name

to change characters