Remove ^M (Control-M) characters from a file in Unix
When checking my /etc/multipath.conf file, there was a lot of hidden characters ^M at the end of lines
root@linux:~ # cat -vet /etc/multipath.conf
To remove them, use tr and redirect the output to a new file.
root@linux:~ # tr -d ‘\015’ /tmp/multipath.conf
Check the file and if everything is okay, replace the original file
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Emerson Takahashi