packages whose
(
if exists properties whose
(
it as string contains "currently installed of "
)
then
(
currently installed of it
)
else TRUE
)
of
(
if exists properties whose
(
it as string contains "debianpackage:"
)
then debianpackages else if exists properties whose
(
it as string contains "rpm:"
)
then rpms else ERROR "The operators are not defined."
)
packages whose(if exists properties whose(it as string contains "currently installed of ") then (currently installed of it) else TRUE) of (if exists properties whose(it as string contains "debianpackage:") then debianpackages else if exists properties whose(it as string contains "rpm:") then rpms else ERROR "The operators are not defined.")
