Question

I have a txt file that looks something like this

-----------------------------------
           RUNNING PROCESSES
-----------------------------------

ftpd
kswapd
init
etc..

---------------------------------
          HOSTNAME
--------------------------------

mypc.local.com

With sed I want to just get one section of this file. So just the RUNNING PROCESSES section, however I seem to be failing to get my regexp right to do so.

I got this far

sed -n '/^-./,/RUNNING PROCESSES/, /[[:space::]]/p' linux.txt | more

however it keeps complaining about

-e expression #1, char 26: unknown commmand `,’

Can anybody help??

Answer 1

Did you mean:

sed -n '/RUNNING PROCESSES/,/HOSTNAME/p' linux.txt | 
  sed -e '/^[- ]/d' -e '/^$/d'