#!/bin/bash

#Guardar IFS anterior
#SAVEIFS=$IFS
#IFS=$(echo -en "\n\b")
#for linea in $(cat /etc/passwd); do
#	echo "$linea"
#done

#Restauramos contexto
#IFS=$SAVEIFS

while read linea; do
	uid=$(echo "$linea" | cut -d: -f1)
	gid=$(echo "$linea" | cut -d: -f4)
	shell=$(echo "$linea" | cut -d: -f 7)
	if [ $shell != "/usr/sbin/nologin" ]; then
		echo -e "uid: $uid\tgid: $(id -gn $uid)($gid)"
	fi
done < /etc/passwd