iOS versions bash array with variables

bash_profile_ios.sh

export THEOS=~/theos

export IPHONE6S_ECID=3B52EBBD82C
export IPAD4_ECID=3834C1643B2

export IOS_VERSIONS_ARRAY=(
    "6.0" "6.0.1" "6.1" "6.1.2" "6.1.3" #5 versions of iOS 6
    "7.0" "7.0.2" "7.0.3" "7.0.4" "7.0.6" "7.1" "7.1.1" "7.1.2" #8 versions of iOS 7
    "8.0" "8.0.1" "8.0.2" "8.1" "8.1.1" "8.1.2" "8.1.3" "8.2" "8.3" "8.4" "8.4.1" #11 versions of iOS 8
    "9.0" "9.0.1" "9.0.2" "9.1" "9.2" "9.2.1" "9.3" "9.3.1" "9.3.2" "9.3.3" "9.3.4" "9.3.5" #12 versions of iOS 9
    "10.0.1" "10.0.2" "10.1" "10.1.1" "10.2" "10.2.1" "10.3" "10.3.1" "10.3.2" "10.3.3" #10 versions of iOS 10
    "11.0" "11.0.1" "11.0.2" "11.0.3" "11.1" "11.1.1" "11.1.2" "11.2" "11.2.1" "11.2.2" "11.2.5" "11.2.6" #12 versions of iOS 11
)

export IOS_VERSIONS_ARRAY_COUNT=${#IOS_VERSIONS_ARRAY[@]}

export IOS_VERSIONS_ARRAY_IOS_6_VERSION_INDEX=0
export IOS_VERSIONS_ARRAY_IOS_7_VERSION_INDEX=5
export IOS_VERSIONS_ARRAY_IOS_8_VERSION_INDEX=13
export IOS_VERSIONS_ARRAY_IOS_9_VERSION_INDEX=24
export IOS_VERSIONS_ARRAY_IOS_10_VERSION_INDEX=36
export IOS_VERSIONS_ARRAY_IOS_11_VERSION_INDEX=46

export IOS_VERSIONS_ARRAY_IOS_6_VERSION_END_INDEX=4
export IOS_VERSIONS_ARRAY_IOS_7_VERSION_END_INDEX=12
export IOS_VERSIONS_ARRAY_IOS_8_VERSION_END_INDEX=23
export IOS_VERSIONS_ARRAY_IOS_9_VERSION_END_INDEX=35
export IOS_VERSIONS_ARRAY_IOS_10_VERSION_END_INDEX=45
export IOS_VERSIONS_ARRAY_IOS_11_VERSION_END_INDEX=`expr $IOS_VERSIONS_ARRAY_COUNT - 1`

function save_6s_shsh {
    if [ $# -gt 2 ]; then
        printf 'Usage: save_6s_shsh ios_version {show_output}\n'
        return 1
    fi
    
    show_output=false
    if [ $# -eq 2 ]; then
        if [[ $2 = "true" ]]; then
            show_output=true
        else
            if [[ $2 = "false" ]]; then
                show_output=false
            else
                printf 'Unrecognized argument: %s\n' $2
                return 1
            fi
        fi
    fi

    /Users/administrator/Documents/Important\ Files/tsschecker.sh iPhone8,1 N71AP $1 $IPHONE6S_ECID /Users/administrator/Documents/SHSH/iPhone6S true $show_output
    return $?
}

function save_all_6s_shsh {
    if [ $# -gt 2 ]; then
        printf 'Usage: save_all_6s_shsh\n'
        return 1
    fi

    show_output=false
    if [ $# -eq 1 ]; then
        if [[ $1 = "true" ]]; then
            show_output=true
        else
            if [[ $1 = "false" ]]; then
                show_output=false
            else
                printf 'Unrecognized argument: %s\n' $1
                return 1
            fi
        fi
    fi

    for ((i=$IOS_VERSIONS_ARRAY_IOS_9_VERSION_INDEX; i<=$IOS_VERSIONS_ARRAY_IOS_11_VERSION_END_INDEX; i++)); do
        if [ $show_output = true ]; then
            echo ${IOS_VERSIONS_ARRAY[$i]}
        fi	

        /Users/administrator/Documents/Important\ Files/tsschecker.sh iPhone8,1 N71AP ${IOS_VERSIONS_ARRAY[$i]} $IPHONE6S_ECID /Users/administrator/Documents/SHSH/iPhone6S false false
    done
}

function save_all_6s_shsh_from_latest {
    if [ $# -gt 1]; then
        printf 'Usage: save_all_6s_shsh_from_latest\n'
        return 1
    fi

    show_output=false
    if [ $# -eq 1 ]; then
        if [[ $1 = "true" ]]; then
            show_output=true
        else
            if [[ $1 = "false" ]]; then
                show_output=false
            else
                printf 'Unrecognized argument: %s\n' $1
                return 1
            fi
        fi
    fi

    for ((i=$IOS_VERSIONS_ARRAY_IOS_11_VERSION_END_INDEX; i>=$IOS_VERSIONS_ARRAY_IOS_9_VERSION_INDEX; i--)); do
        if [ $show_output = true ]; then
            echo ${IOS_VERSIONS_ARRAY[$i]}
        fi	
    
        /Users/administrator/Documents/Important\ Files/tsschecker.sh iPhone8,1 N71AP ${IOS_VERSIONS_ARRAY[$i]} $IPHONE6S_ECID /Users/administrator/Documents/SHSH/iPhone6S false false
    done
}

function save_ipad_4_shsh {
    if [ $# -gt 2 ]; then
        printf 'Usage: save_ipad_4_shsh ios_version {show_output}\n'
        return 1
    fi
    
    show_output=false
    if [ $# -eq 2 ]; then
        if [[ $2 = "true" ]]; then
            show_output=true
        else
            if [[ $2 = "false" ]]; then
                show_output=false
            else
                printf 'Unrecognized argument: %s\n' $2
                return 1
            fi
        fi
    fi

    /Users/administrator/Documents/Important\ Files/tsschecker.sh iPad3,4 P101AP $1 $IPAD4_ECID /Users/administrator/Documents/SHSH/iPad4 true $show_output
    return $?
}

function save_all_ipad_4_shsh {
    if [ $# -gt 1 ]; then
        printf 'Usage: save_all_ipad_4_shsh { print-versions-bool }\n'
        return 1
    fi

    show_output=false
    if [ $# -eq 1 ]; then
        if [[ $1 = "true" ]]; then
            show_output=true
        else
            if [[ $1 = "false" ]]; then
                show_output=false
            else
                printf 'Unrecognized argument: %s\n' $1
                return 1
            fi
        fi
    fi

    for ((i=$IOS_VERSIONS_ARRAY_IOS_6_VERSION_INDEX; i<=$IOS_VERSIONS_ARRAY_IOS_10_VERSION_END_INDEX; i++)); do
        if [[ $show_output = true ]]; then
            echo ${IOS_VERSIONS_ARRAY[$i]}
        fi

        /Users/administrator/Documents/Important\ Files/tsschecker.sh iPad3,4 P101AP ${IOS_VERSIONS_ARRAY[$i]} $IPAD4_ECID /Users/administrator/Documents/SHSH/iPad4 false false
    done
}

function save_all_ipad_4_shsh_from_latest {
    if [ $# -ne 0 ]; then
        printf 'Usage: save_all_ipad_4_shsh_from_latest\n'
        return 1
    fi

    show_output=false
    if [ $# -eq 1 ]; then
        if [[ $1 = "true" ]]; then
            show_output=true
        else
            if [[ $1 = "false" ]]; then
                show_output=false
            else
                printf 'Unrecognized argument: %s\n' $1
                return 1
            fi
        fi
    fi

    for ((i=$IOS_VERSIONS_ARRAY_IOS_10_VERSION_END_INDEX; i>=$IOS_VERSIONS_ARRAY_IOS_6_VERSION_INDEX; i--)); do
        if [[ $show_output = true ]]; then
            echo ${IOS_VERSIONS_ARRAY[$i]}
        fi

        /Users/administrator/Documents/Important\ Files/tsschecker.sh iPad3,4 P101AP ${IOS_VERSIONS_ARRAY[$i]} $IPAD4_ECID /Users/administrator/Documents/SHSH/iPad4 false false
    done
}

export -f save_6s_shsh
export -f save_all_6s_shsh
export -f save_all_6s_shsh_from_latest
export -f save_ipad_4_shsh
export -f save_all_ipad_4_shsh
export -f save_all_ipad_4_shsh_from_latest