Convert DOS Newlines CR-LF file to Unix/Linux format

gistfile1.md

#Using dos2unix Replacing the original file:

dos2unix filename

Creating a .bak copy of the original:

dos2unix -b filename

#Using tr command tr -d '\r' < input.file > output.file

#Using Perl One Liner perl -pi -e 's/\r\n/\n/g' input.file

#Using bash shell: sed 's/$'"/`echo \\\r`/" input.txt > output.txt

#Using sed command sed 's/^M$//' input.txt > output.txt