(command.CommandList children: [ (command.Simple blame_tok: <set> more_env: [] words: [{<set>} {<-o>} {<errexit>}] redirects: [] do_fork: T ) (command.Simple blame_tok: <set> more_env: [] words: [{<set>} {<-o>} {<nounset>}] redirects: [] do_fork: T ) (command.Simple blame_tok: <set> more_env: [] words: [{<set>} {<-o>} {<pipefail>}] redirects: [] do_fork: T ) (command.Simple blame_tok: <.> more_env: [] words: [{<.>} {<'/etc/sysconfig/heat-params'>}] redirects: [] do_fork: T ) ] )