.TH addcr 1 .SH NAME addcr \- add a CR before each LF .SH SYNOPSIS .B addcr .SH DESCRIPTION .B addcr inserts CR at the end of each line of input. It does not insert CR at the end of a partial final line. .SH COMPATIBILITY Some vendors ship .B unix2dos or .B bsd2dos tools similar to .BR addcr . Those tools often blow up on long lines and nulls. .B addcr has no trouble with long lines and nulls. .SH "SEE ALSO" delcr(1), fixcr(1)