thank you for your answer
i have a question about [[ -v $next ]] i havent tried but you say it works
it would ? expand $next but wont it then check '[[ -v ]]'
and fail ?
ill benchmark the usage of : $next ; before [[ -v now, if its minimal its
all fine i can use
i just remember it used to work
fo
On 3/7/21 9:36 PM, Alex fxmbsw7 Ratchev wrote:
[msg(shbot)] # foo() { declare -a foo=( "$@" ) ; 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
