tag:
type: txt
help: Apply filtering to an interface
syntax:expression: exec "if [ -z \"`ip addr | grep $VAR(@) `\" ]; then                       \
                 echo ethernet interface $VAR(@) doesn\\'t exist on this system ; \
                 exit 1 ;                                                      \
              fi ; "
allowed: local -a array;
 array=( /sys/class/net/{eth,vmnet}* ) ;
 echo -n ${array[@]##*/}
