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# bash completion for ifstat(1) -*- shell-script -*-
_ifstat()
{
local cur prev words cword split
_init_completion -s || return
case $prev in
--help|--version|--scan|--interval|-!(-*)[hvV])
return
;;
-!(-*)i)
# TODO comma separated
_available_interfaces -a
return
;;
-!(-*)d)
# iproute2: no completion (scan delay)
# traditional: parse driver
if ! { "$1" --help 2>&1 || :; } | \
command grep -q -- '-d.*--scan'; then
COMPREPLY=( $(compgen -W '$("$1" -v | command \
sed -e "s/[,.]//g" -ne "s/^.*drivers://p")' -- "$cur") )
fi
return
;;
--noupdate|-!(-*)s)
# iproute2: pass through (skip history update)
# traditional: hostnames (snmp)
if ! { "$1" --help 2>&1 || :; } | \
command grep -q -- '-s.*--noupdate'; then
_known_hosts_real -- "$cur"
return
fi
;;
-!(-*)t)
# iproute2: no completion (interval)
# traditional: pass through (add timestamp)
! { "$1" --help 2>&1 || :; } | \
command grep -q -- '-t.*--interval' || return
;;
--extended|-!(-*)x)
# iproute2: parse xstat types
COMPREPLY=( $(compgen -W '$("$1" -x nonexistent-xstat 2>&1 |
awk "found { print \$1 } /supported xstats:/ { found=1 }")' \
-- "$cur") )
return
;;
esac
$split && return
if [[ "$cur" == -* ]]; then
local opts=$(_parse_help "$1")
COMPREPLY=( $(compgen -W '${opts:-$(_parse_usage "$1")}' -- "$cur") )
[[ $COMPREPLY == *= ]] && compopt -o nospace
return
fi
} &&
complete -F _ifstat ifstat
# ex: filetype=sh
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