diff --git a/get_next_uid_gid_pair.sh b/get_next_uid_gid_pair.sh new file mode 100755 index 0000000..bb1b1ab --- /dev/null +++ b/get_next_uid_gid_pair.sh @@ -0,0 +1,21 @@ +#!/usr/bin/env bash + +min_uid=1000 + +declare -i _id=$(expr $min_uid - 1) + +while true ; do + ((_id++)) + $(id $_id > /dev/null 2>&1) && continue + $(cat /etc/group | cut -d ':' -f3 | grep -q $_id 2> /dev/null) && continue + break +done + +echo +echo " Next free uid/gid pair:" +echo +echo -e " uid: \033[1m$_id\033[m" +echo -e " gid: \033[1m$_id\033[m" +echo + +exit 0