[SOLVED] need help to read a file

Buddhike G · 12-05-2007, 10:40 PM

I've a text file containing more than 100 blocks of data in the following format with different values for variables. And i want to write a shell script to read host_name and the address from each block and store in an another file can anybody help me to write that.

host_name Test_server
alias Test_server
address 10.40.2.3
max_check_attempts 10
notification_interval 120
notification_period 24x7
notification_options d,u,r
check_command check-host-alive

Thanx in advance !!!
Buddhike G

chrism01 · 12-05-2007, 11:23 PM

Code:

grep -e host_name -e address infile > outfile

Buddhike G · 12-05-2007, 11:53 PM

Thanx ! it worked !

But the output prints as

host_name Test_server
address 10.40.2.3
. .
. .
. .

and so on ..

but I want to print it as this

Test_server <TAB> 10.40.2.3
. .
. .
. .

Thanx for any help.
Buddhike G

Quote:

Originally Posted by chrism01

Code:

grep -e host_name -e address infile > outfile

Tinkster · 12-06-2007, 02:44 AM

If the structure of the blocks is always identical:

Code:

awk '/host_name/{printf "%s\t",$2};/address/{print $2}' infile > outfile

Cheers,
Tink

Buddhike G · 12-06-2007, 02:50 AM

Thanx a lot!!! It worked !