base64encode.sh

#!/bin/bash

# echo "data:$(xdg-mime query filetype 02_KTP.png);base64,$(base64 -w 0 02_KTP.png)"


filename=

usage() {
    echo "usage: base64encode [[-f file ] | [-h]]"
}

if [[ $# -eq 0 ]] ; then
    usage
    exit 0
fi

while [ "$1" != "" ]; do
    case $1 in
        -f | --file )           shift
                                filename=$1
                                ;;
        -h | --help )           usage
                                exit
                                ;;
        * )                     usage
                                exit 1
    esac
    shift
done


function encode() {
    filename=$(realpath $1)
    if [ -z "${filename}" ]; then
        echo "file name empty"
        exit 1
    fi

    if [ ! -f "${filename}" ]; then
        echo "The file ${filename} does not exist";
        exit 1
    fi
    mime_type=$(file --mime-type -b $filename)
    base64_encoded=$(base64 -w 0 $filename)
    if [[ $(file --mime-type -b ${filename}) != image/* ]]; then
        echo "file \"${filename}\" is not an image. Provide only image file."
        exit 0
    fi
    echo "This will encode file \"$filename\" into base64 dan save into your clipboard. Just paste into somewhere "\
    "to view base64 encoded"
    echo "Filename: $(basename -- $filename)"
    echo "Mimetype: $mime_type"
    echo "================================ base64 ================================"
    echo $base64_encoded
    echo "================================= end =================================="
    echo "data:$mime_type;base64,$base64_encoded" | xclip -selection clipboard

    echo "end of encoding"
}

encode $filename