­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ #!/bin/bash mounted=() unmounted=() for i in $(sudo lsblk -sdn | grep -v -f /lib64/nagios/plugins/excluded_partitions | awk '{print $1}'); do if ! df -h | grep $i > /dev/null 2>&1; then unmounted+=("$i"); else mounted+=("$i"); fi; done; if [ -z "$unmounted" ] then printf '%s\n' "${mounted[@]}" | jq -R . | jq -s '{mounted:.}' exit 0; else printf '%s\n' "${unmounted[@]}" | jq -R . | jq -s '{unmounted:.}' exit 2; fi