Shell Programming and Scripting

cat  file1
2 first user   
9 second user 
1 third user  (with a space after  user)

field=$(gawk '{$1 =""; print $0}' file | sed 's/^ //')

cat file2
g92i1234:x:1001:1001:first  user:/home/g92i1234:/bin/bash
g91i1234:x:1002:1002:second  user:/home/g91i1234:/bin/bash
r95i1234:x:1003:1003:third user  :/home/r95i1234:/bin/bash

gawk -F":"  -v TOFIND="$field"  '$5 == TOFIND  {print $0 } file2'

$ cat file1
2 first user 
9 second user 
1 third user 

$ f=$(cut -d\  -f2- file1)

$ echo "\"$f\""           
"first user 
second user 
third user "



$ f="$(cut -d\  -f2- file1)"

$ echo \"$f\"
"first user second user third user "