local rc
local count="${daily_backup_pkg_count:-7}"
local lower=$(expr ${count} - 1)
local lower=$(( ${count} - 1 ))
for i in $(jot ${count} ${lower} 0); do
local higher=$(expr ${i} + 1)
local higher=$(( ${i} + 1 ))
local file
if [ ${i} == 0 ]; then
file=${bak_file}