Shell Programming and Scripting

awk 'NR==FNR{if($0 ~ /Name/){$1="";e=$0;getline;A[$4]=$3 OFS $1 OFS e;}} ($1 in A){print $2 OFS $1 OFS A[$1]}' file1 file12

server1.com 192.216.7.80 i-21c95a6e9 us-west-2c  wow Master Device
server2.com 192.216.3.20 i-21690a303 us-west-2b  data W3

 awk 'NR==FNR{if($0 ~ /Name/){$1="";e=$0;getline;A[$4]=$3 OFS $1 OFS e;}} ($1 in A){print $2 OFS $1 OFS A[$1]}'

awk 'NR==FNR{
if($0 ~ /Name/)                ######## Looking for String Name in lines #######
{$1="";e=$0;                ######## Making $1 as zero and saving line 0 this into a variable e ########
getline;A[$4]=$3 OFS $1 OFS e;}}    ######## going to next line then making an array with index $4 (IPAddress) and it's values is $3 $1 and variable e(which has rest of line except $1 of first line) 
($1 in A){print $2 OFS $1 OFS A[$1]}    ######## Fetching the contents of array A and printing the $2 and A[$1] (This condition will be executed when file2 will be read #####
' file1 file12

($1 in A){print $2 OFS $1 OFS A[$1]}    ######## Fetching the contents of array A and printing the $2 and A[$1] (This condition will be executed when file2 will be read #####