#!/bin/bash
#Mateusz Rus gr1
function help_display {
  echo "program wyswietla nazwe uzytkownika zalogowanego"
  exit 0
}

if [ -z "$*" ]; then
  echo "3opcja"
  FULLNAME=$(getent passwd $USER | cut -d : -f 5)
  echo $FULLNAME
  exit 0
fi
if [[ "$@" =~ "-h" ]] ; then
	help_display
fi
for var in "$@"
do
if [ "$var" == "-h" ] ; then
	help_display
elif [ "$var" == "-q" ] ; then
  break
elif [[ "$var" != "-h" ]] || [[ "$var" != "" ]] ; then
  echo "nieobsługiwane polecenie wyswietlam pomoc"
  help_display
elif [ [ "$var" == "-h" ] && [ "$var" == "-q" ] ] ; then
  help_display
fi
done