bin2inc.sh !! Slow, but effective!

#!/bin/bash

hash sed fold || {
    printf "%s\n" "bin2inc: error: missing program dependencies";
    exit 1; # if you don't have sed or fold, get them.
} >&2;

[[ -n $2 ]] && {
    [[ -f "$2" && -r "$2" ]] || {
        printf "%s\n" "bin2inc: error: argument 2 is not a valid file: $2";
        exit 2; # c'mon man file data must "exist"
    } >&2;
}

stream() {
    local IFS='';
    local -i bytes=0
    while read -r -N1 r; do
        printf "0x%02X, " "'$r"; let bytes++;
    done < "${1:-/dev/stdin}";
    echo $bytes >&7;
}

exec 7<> <(:);
byteField="$( { stream < "$2"; echo -n 0x00; } | fold -sw 87 | sed  's/^/    /')";
read -u 7 bytes; exec 7>&-;

(( bytes )) || {
    echo $0: error: no content was provided;
    echo $0: warning rubbish redirection files may be present;
    exit 7;
} >&2;

id=${1:-binary_data};

echo "/*

auto-generated file include

encoded by bin2inc.sh (C) 2012 Hypersoft bash-masters

git it here: https://github.com/hypersoft/bash-masters

date: `date`
resource: ${2:-/dev/stdin}
developer: $USER

content-identifier: ${id}

content-length-identifier: ${id}_length
content-length: $bytes

zero-terminated: yes
zero-padding: 1

*/

unsigned char $id[] = {

$byteField

};

unsigned long int ${id}_length = ${bytes}L;
"