#!/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
	echo $linea | grep /usr/sbin/nologin >/dev/null
	if [ $? -ne 0 ]; then
		uid=$(echo "$linea" | cut -d: -f1)
		gid=$(echo "$linea" | cut -d: -f3)
		echo -e "uid: $uid\tgid: $(id -gn $gid)"
	fi
done < /etc/passwd