Linux in a Nutshell, Third Edition

Name

D

Synopsis

[address1[,address2]]D

Description

Delete first part (up to embedded newline) of multiline pattern space created by N command, and resume editing with first command in script. If this command empties the pattern space, then a new line of input is read, as if the d had been executed.

Example

Strip multiple blank lines, leaving only one:

                     /^$/{
N
/^\n$/D
}