Shell Programming and Scripting

$ lsuser -c -a ALL
root:0
daemon:1
bin:2
sys:3
adm:4
...

ls -n $@ | awk -F: '
function max(a,b) {return a>b?a:b}
function toend(str,fld)
{ for(i=0; i<length(str); i++) {
    while(substr(str,i,1) != " " && i<length(str)) i++
    while(substr(str,i,1) == " " && i<length(str)) i++
    if (!--fld) return substr(str,i)
  }
  return ""
}
BEGIN {
    while("lsuser -c -a id ALL"  | getline) {
        U[$2]=$1; UW=max(UW,length($1))}
    while("lsgroup -c -a id ALL" | getline) {
        G[$2]=$1; GW=max(GW,length($1))}
}
{
    printf "%10s %3s %-*s %-*s %11s %s\n", $1, $2,
      UW, $3 in U?U[$3]:$3,
      GW, $4 in G?G[$4]:$4,
      $5, toend($0,5)
}' FS=" "

-rwxrwxr-x    1 1750560623 Func-Wireless-consumers  10 Jan 27 12:21 list.sh
-rwxr-x---    1 1750560623 Func-Wireless-consumers  80 Jan 28 09:25 .desk

lsuser -c -a id ALL

lsgroup -c -a id ALL

#name : id
  mike001: 74861

#name:id
Func-Wireless-Consumers :1399683538 and so on for all the groups

ls -n | 
awk -F: 'BEGIN{
           while("lsuser -c -a id ALL"  | getline){gsub(/ /,x);U[$2]=$1}
           while("lsgroup -c -a id ALL" | getline){gsub(/ /,x);G[$2]=$1}
         }
         { sub($3" +"$4, U[$3]" "G[$4])} 1' FS=" "