addcr

## Name

addcr — inserts a CR (\015) before each LF (\012)

## Synopsis

`addcr`

## Description

addcr reads input from stdin and writes it to stdout. It inserts a CR (\015) before each LF (\012), i.e., at the end of each line of input. It does not insert a CR at the end of a partial final line.

## See also

delcr(1)

  the reverse of this filter

fixcrio(1)

  a wrapper for a command that performs CR insertion on its standard I/O

## History

addcr was originally part of Daniel J. Bernstein's ucspi-tcp toolset in 1999.

## Author

Original code and documentation by Daniel J. Bernstein. Documentation modernizations by Jonathan de Boyne Pollard.