UNIX for Dummies Questions & Answers

Hi ,

My input file is below like that :-

$cat abc.txt
Service name: test_taf
Service is enabled
Server pool: test_tac
Cardinality: 2
Disconnect: false
Service role: PRIMARY
Management policy: AUTOMATIC
DTP transaction: false
AQ HA notifications: true
Failover type: SESSION
Failover method: BASIC
TAF failover retries: 30
TAF failover delay: 10
Connection Load Balancing Goal: SHORT
Runtime Load Balancing Goal: THROUGHPUT
TAF policy specification: NONE
Edition:
Preferred instances: NODE1,NODE2
Available instances:

My output file should print like below :-

NODE1,NODE2

I tried the below command but it is not giving proper output.

sed 's/.*Preferred instances: //;s/Available instances:.*//' abc.txt

Would you please help me for the above scenario ?

Thanks
Sp

Code:

grep "^Preferred instances" abc.dat | cut -d ":" -f2

This will produce the desired output on terminal .

Hi,

Try this one,

Code:

awk -F": " '/Preferred instances/{print $2;}' file

Cheers,
Ranga

Code:

awk -F: '/^Preferred instances/ {print $2}' abc.txt