[msg(shbot)] # foo() { declare -a foo=( "$@" ) ; declare i=-1 ; declare -p foo ; declare -n next=foo[++i] now=foo[i] ; while [[ -v next ]] ; do : $now ; done ; printf -- $i ; } ; foo '' 1 2 3 [shbot(~shbot@37.139.2.101)] declare -a foo=([0]="" [1]="1" [2]="2" [3]="3") [shbot(~shbot@37.139.2.101)] -1
any way to make it work ? i think i remember that it used to work at least once for me ..