2. Removing ^M from UNIX text files
Using Perl :
Following command will change the orginal file itself so keep a backup copy .
perl -pi -e “s:^V^M::g” existing_file_name
You won’t see the Control V on typing but it is needed to generate control
Using sed :
sed -e `s/^V^M//g` existing_file_name > new_file_name
Using vi :
Open file in vi and enter the following at : prompt in command mode .