bash: bash: bash: bash:

x.sh

#!/usr/bin/env bash
#
# No local scope, use command substitution, process
# substitution, regular pipes or execute external procedures/scripts.
#
# Use set -o allexport, if you like to be oldschool.

#mapfile -t -c 1 -C "printf '%.0s%s\n'" -u 7 "${FUNCNAME[1]%%.*}"

function fn.call {
        typeset -n a="${FUNCNAME[1]%%.*}";
        [[ -v a[0] ]] || "${FUNCNAME[1]%%.*}.load" "$@";
        printf '%s\n' "${a[@]}";
};

function fn.load {
        mapfile -t -u 7 "${FUNCNAME[1]%%.*}";
};

function code1.call { fn.call "$@"; };
function code1.load { fn.load; } 7<<code1
        echo "$1";
        echo yes!!;
        echo bye;
        typeset +i foo=$1;
code1

function code2.call { fn.call "$@"; };
function code2.load { fn.load; } 7<<code2
        echo no;
        echo no!!!;
        echo bye;
code2

# -- MAIN.

echo "${1:-: ok, mister mix}";

'code2.load';

: && . <('code1.call' "yes") || . <('code2.call');
! : && . <('code1.call' "yes") || . <('code2.call');
. <('code1.call' yes);
. <('code2.call' xsadas);

'code1.load' "no";

typeset -p foo code{1,2};
eval "${code1}";

how to run?