8/12    Been asked several times, sorry. What's _a_ one-liner to remove^M
        ^M's?^M
        \In emacs, M-x replace-string C-Q C-M
        \_ tr -d '\r'
        \_ :%s/^V^M// (in vi)
        \_ perl -pi -e 's/\r\n?/\n/' file1 file2 ...