[root@localhost ~]# grep -E "[_[:alnum:]]+\(\)" /etc/rc.d/init.d/functions
grep -E "[_[:alnum:]]+\(\)" /etc/rc.d/init.d/f
grep -E "[_[:alnum:]]+\(\)" /etc/rc.d/init.d/functions
unctions
[root@localhost ~]# grep -E "[_[:alnum:]]+\(\)" /etc/rc.d/init.d/functions
grep -E "[_[:alnum:]]+\(\)" /etc/rc.d/init.d/f
grep -E "[_[:alnum:]]+\(\)" /etc/rc.d/init.d/functions
unctions