The following commands output 1,2,1,1 cmd0='a=("${a[@]}" 'a'); echo "${#a}"' cmd1='a+=('a'); echo "${#a}"' bash -c "$cmd0"; zsh -c "$cmd0" bash -c "$cmd1"; zsh -c "$cmd1" The following outputs 0,1,0,0 cmd2='f() { echo "$#"; }; f "${a[@]}"' cmd3="a=(); $cmd2" bash -c "$cmd2"; zsh -c "$cmd2" bash -c "$cmd3"; zsh -c "$cmd3" Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
