#!/bin/bash yum_installed=$(yum list installed "$@" 2>&1 | tail -n +2 | grep -v 'Installed Packages' | grep -v 'Red Hat Subscription Management' | grep -v 'Error:' | awk '{ print $2 }' | tr '\n' ' ') yum_available=$(yum list available "$@" 2>&1 | tail -n +2 | grep -v 'Available Packages' | grep -v 'Red Hat Subscription Management' | grep -v 'el7ose' | grep -v 'Error:' | awk '{ print $2 }' | tr '\n' ' ') echo "---" echo "curr_version: ${yum_installed}" echo "avail_version: ${yum_available}"