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