function __fish_complete_lpr_option --description 'Complete lpr option' set -l optstr (commandline -t) switch $optstr case '*=*' string split -m1 = -- "$optstr" | read -l opt val set -l descr for l in (lpoptions -l 2>/dev/null | string match -- "*$opt*" | string replace -r '.*/(.*):\s*(.*)$' '$1 $2' | string split " ") if not set -q descr[1] set descr $l continue end set -l default '' if string match -q '\**' -- $l set default 'Default ' set l (string sub -s 2 -- $l) end echo $opt=$l\t$default$descr end case '*' lpoptions -l 2>/dev/null | string replace -r '(.*)/(.*):.*$' '$1=\t$2' end end