#!/bin/bash
## convert textfile to DOS-format, i.e. replacing ^J with ^M^J;  by Eugene Reimer 2000-Jan;

CR=$'\x0d'
sed "s/^\(.*\)$CR$/\1/; s/^.*$/&$CR/"


exit
2005may:  forked;  copytodos remains the 2-opnd form for my EXPORT scripts;  chgtodosfile is the chgsed version;
2005jun:  avoid adding extra CRs to lines already having CR, so harmless to use more than once;
2008feb:  forked again;  todosfile is a filter;

CONSIDER: also using expand, to convert tabs to spaces??