#! /bin/bash
# 16 juli 2018 by Hendriyawan (gdev)
# thanks to : stackoverflow
# program bash untuk konversi text
# text ke ascii
# text ke hexadesimal
# text ke octal

# ini method / fungsi ubah text ke ascii
text_to_ascii(){
    words=$1
    ascii_code=() #ini list dalam pemrograman bash
    for ((i=0; i < ${#words}; i++)); do
        ascii=$(printf %d \'${words:$i:1})
        #menambahkan ke list
        ascii_code+=($ascii)
    done
    echo ""
    echo -e "ASCII : \033[1;32m${ascii_code[@]}\033[0m"
    echo ""
    # [@] = artinya menampilkan seluruh item list
}

# ini method / fungsi ubah text ke hexadecimal
text_to_hex(){
    words=$1
    hexacode=() #ini list dalam pemrograman bash
    for ((i=0; i < ${#words}; i++)); do
        hexadecimal=$(printf %X \'${words:$i:1})
        hexacode+=($hexadecimal)
    done
    echo ""
    echo -e "HEXADECIMAL : \033[1;32m${hexacode[@]}\033[0m"
    echo ""
    # [@] = artinya menampilkan seluruh item list
}

# ini method / fungsi ubah text ke octal
text_to_octal(){
    words=$1
    octal_code=()
    for ((i=0; i < ${#words}; i++)); do
        octal=$(printf %o \'${words:$i:1})
        octal_code+=($octal)
    done
    echo ""
    echo -e "OCTAL : \033[1;32m${octal_code[@]}\033[0m"
    echo ""
}

options=$1
words=$2
if [ -z $options ] || [ -z $words ]; then
    echo "gunakan : texttool [options] kata/kalimat !"
    echo "options are :"
    echo "-tta\t ubah text ke ascii"
    echo "-tth\t ubah text ke hexadecimal"
    echo ""
    exit 1
elif [ $options == "-tta" ]; then
    text_to_ascii $words
elif [ $options == "-tth" ]; then
    text_to_hex $words
elif [ $options == "-tto" ]; then
    text_to_octal $words
fi