created by https://github.com/tr3buchet/gister

1 redirmany.zsh

debugwhat () {
    local debug1="$1";
    echo "start debugging: ${debug1}";
    while read x; do
        echo "debug ${debug1}: ${x}";
    done;
    echo "end debugging: ${debug1}";
}


multidebug () {
    A="$1";
    B="$2";
    C="$3";
    X="$(echo "hi")";
    (
        (echo "this subshell closes $A $B $C in bash, but not zsh";)
        echo "one" > "${A}";
        echo "two" > "${A}";
        echo "three" > "${B}";
        echo "four" > "${B}";
        echo "five" > "${C}";
    )
    echo "done" > "${A}";
}

multidebug >(debugwhat one) >(debugwhat two) >(debugwhat three);

2 zsh output

start debugging: one
start debugging: two
start debugging: three
this subshell closes /dev/fd/13 /dev/fd/14 /dev/fd/15 in bash, but not zsh
debug one: one
debug one: two
debug two: three
debug three: five
debug two: four
debug one: done
end debugging: three
end debugging: two
end debugging: one

3 bash output

start debugging: one
start debugging: two
start debugging: three
this subshell closes /dev/fd/63 /dev/fd/62 /dev/fd/61 in bash, but not zsh
end debugging: three
redirmany.zsh: line 18: 1: Bad file descriptor
redirmany.zsh: line 19: 1: Bad file descriptor
redirmany.zsh: line 20: 1: Bad file descriptor
redirmany.zsh: line 21: 1: Bad file descriptor
redirmany.zsh: line 22: 1: Bad file descriptor
end debugging: two
redirmany.zsh: line 24: 1: Bad file descriptor
end debugging: one