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OR

$ echo '0001 firstname1 lastname1 0002 firstname2 lastname2 0003 firstname3 lastname3 0004 firstname4 lastname4' | xargs -n 3
0001 firstname1 lastname1
0002 firstname2 lastname2
0003...

Try alsotr ' ' '\n' <file | paste -s -d' \n'
0001 firstname1 lastname1
0002 firstname2 lastname2
0003 firstname3 lastname3
0004 firstname4 lastname4 Be aware that not all systems accept the \n...

$ cat file
0001 firstname1 lastname1 0002 firstname2 lastname2 0003 firstname3 lastname3 0004 firstname4 lastname4

$ awk 'ORS = !(NR%3)? "\n" : FS ' RS=" " file
0001 firstname1 lastname1
0002...

Try :

#!/bin/bash

for i in server1 server2
do
eval ${i}_name="apache"
eval echo \$${i}_name
done

$ bash tester
apache
apache

To get the other fields (and print the values from each input line on a single output line) try:
awk -F '[()]' '
{ for(i = 2; i < NF; i += 2)
printf("%s%s", $i, i == NF - 1 ?...

awk solution (can be made better)


awk '{for(i=1;i<=NF;i++) {if($i~/\(/) a=a" "substr($i,1+index($i,"("))} }{gsub(/\)/,"",a);print a;a=""}' infile

$ echo 'mike(hussey) AND mike(donald) AND mike(ryan) AND mike(johnson)' | perl -ne '@surnames=$_=~/\(([^)]+)\)/g;print join"\n",@surnames' -
hussey
donald
ryan
johnson