# $FreeBSD$ e= for i in 0 1 2 3; do for j in 0 1 2 3 4 5 6 7; do for k in 0 1 2 3 4 5 6 7; do case $i$j$k in 000) continue ;; esac e="$e\\$i$j$k" done done done e=$(printf "$e") v=@$e@$e@ y=${v##*"$e"} yq="${v##*"$e"}" [ "$y" = @ ] || echo "error when unquoted in non-splitting context" [ "$yq" = @ ] || echo "error when quoted in non-splitting context" [ "${v##*"$e"}" = @ ] || echo "error when quoted in splitting context" IFS= [ ${v##*"$e"} = @ ] || echo "error when unquoted in splitting context"