Removing dashes in grep -A

I am using grep -A command to get a specific pattern. It gives -- at the end of every block, how I can remove these dashes?

2 Answers

AFAIK it's not mentioned in the man page, but in the Context Line Control section of info grep you will find the option

‘--no-group-separator’ When ‘-A’, ‘-B’ or ‘-C’ are in use, do not print a separator between groups of lines.

You have at least three alternatives:

1. With -v option (works on any version of grep):

   ... | grep -A1 "pattern" | grep -v -- "^--$"

   Also, | sed '/^--$/d'.

2. With undocumented --group-separator

   ... | grep -A1 "pattern" --group-separator "" 

3. With --no-group-separator (as mentioned steeldriver).

   ... | grep -A1 "pattern" --no-group-separator