Printing a block of lines from a file, if that block does not contain two patterns using sed
I want to process a file block by block using sed, and if that block does not contain two patterns, then that complete block has to be printed.
See below for the example data.
Code:
................................server 1...............................
running process 1
running process 2
running process 3
date : 12/12/2012
............................................................................
................................server 2...............................
running process 1
stopped process 2
running process 3
date : 13/12/2012
............................................................................
in the above mentioned file a block refers from
.........server................. to ........................
in that block i have to check, if there is no pattern "stop" and "13/12/2012" then i have to print that block.
this is what i have tried till now
Code:
sed -n -e '/./{H;/\.\.\.\./!d;}' -e 'x;/stop/ !{ /13.12.2012/ !{p;}}' example
the output iam getting is given below
Code:
................................server 1...............................
................................server 1...............................
running process 1
running process 2
running process 3
date : 12/12/2012
............................................................................
............................................................................
................................server 2...............................
The required output is
Code:
................................server 1...............................
running process 1
running process 2
running process 3
date : 12/12/2012
............................................................................
Please let me know what am I doing wrong.
Last edited by Scrutinizer; 12-21-2012 at 09:32 AM..
Reason: icode to code tagss
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LEARN ABOUT FREEBSD
ypset
YPSET(8) BSD System Manager's Manual YPSET(8)NAME
ypset -- tell ypbind(8) which YP server process to use
SYNOPSIS
ypset [-h host] [-d domain] server
DESCRIPTION
The ypset utility tells the ypbind(8) process on the current machine which YP server process to communicate with. If server is down or is
not running a YP server process, it is not discovered until a YP client process attempts to access a YP map, at which time ypbind(8) tests
the binding and takes appropriate action.
The ypset utility is most useful for binding a YP client that is not on the same broadcast network as the closest YP server, but can also be
used for debugging a local network's YP configuration, testing specific YP client programs, or binding to a specific server when there are
many servers on the local network supplying YP maps.
The options are as follows:
-h host
Set the YP binding on host instead of the local machine.
-d domain
Use the YP domain domain instead of the default domain as returned by domainname(1).
SEE ALSO domainname(1), ypcat(1), ypmatch(1), yp(8), ypbind(8)AUTHORS
Theo De Raadt
BSD October 25, 1994 BSD
12-21-2012
Printing a block of lines from a file, if that block does not contain two patterns using sed
