declare -a A
mapfile A < mapfile.data
for (( i = 0 ; i < ${#A[@]} ; i++ )); do
    echo -n "${A[${i}]}"
done

declare -a B
mapfile -t B < mapfile.data
for (( i = 0 ; i < ${#B[@]} ; i++ )); do
    echo "${B[${i}]}"
done

mapfile -C "echo" -c 1 A < mapfile.data
mapfile -C "echo" -c 3 A < mapfile.data
mapfile -C "echo" -c 19 A < mapfile.data

declare -a C
mapfile -t -u 3 C 3< mapfile.data < mapfile.tests
for (( i = 0 ; i < ${#C[@]} ; i++ )); do
    echo "${C[${i}]}"
done


declare -a D
for (( i = 0 ; i < 30; i++ )); do
    D[${i}]="[$i] aaa"
done
mapfile -O 10 -t D < mapfile.data
for (( i = 0 ; i < ${#D[@]} ; i++ )); do
    echo "${D[${i}]}"
done

declare -a E
for (( i = 0 ; i < 30; i++ )); do
    E[${i}]="[$i] aaa"
done
mapfile -O 10 -n 5 -t E < mapfile.data
for (( i = 0 ; i < ${#E[@]} ; i++ )); do
    echo "${E[${i}]}"
done

${THIS_SH} ./mapfile1.sub

${THIS_SH} ./mapfile2.sub