rendered paste body_optcomplete() {
COMPREPLY=( $(COMP_LINE=$COMP_LINE COMP_POINT=$COMP_POINT COMP_WORDS="${COMP_WORDS[*]}" COMP_CWORD=$COMP_CWORD OPTPARSE_AUTO_COMPLETE=1 "$1") )
}
and then i bind using
complete -F _optcomplete my_command
the results is like that
[root@sbs-ox5 sysaid]# ./sysaid manage-ou --display
Accounts" /OxObjects/AdminObjects /OxObjects/ResourceObjects/ResourceGroups
"/Address /OxObjects/AdminObjects/AvailableServers /OxObjects/ResourceObjects/Resources
Book" /OxObjects/AdminObjects/AvailableServers/directoryServer /OxObjects/SharedFolder
/Computers /OxObjects/AdminObjects/AvailableServers/groupwareServer "/Password
Configs" /OxObjects/AdminObjects/AvailableServers/imapServer Policies"
/dhcp /OxObjects/AdminObjects/AvailableServers/smtpServer /sudoers
/dns /OxObjects/AdminObjects/AvailableServers/webmailServer "/System
/Groups /OxObjects/AdminObjects/DNSObjects /Users
Groups" /OxObjects/AdminObjects/SMTPObjects /Users/uid=fbe/addr
/Idmap /OxObjects/AdminObjects/SMTPObjects/MailTransports
/OxObjects /OxObjects/ResourceObjects