Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx> writes: > 1 % () { > 2 : ${1:=enp2s0} > 3 local -a net_dev_lines=( "${(@f)"$(</proc/net/dev)"}" ) > 4 local line=${${(M)net_dev_lines:#*$1*}[1]} > 5 print -r -- $=line > 6 print -r -- ${#${=line}} > 7 } > 8 17 > 9 % Thanks but that's mostly the kind of syntax I wish to avoid.