bin2inc

#!/bin/bash

# if your distro does not provide the bash-masters xtr utility you may download it here:
# http://pastebin.com/67H6Us9V

# This is a script we call bin2inc. The first parameter is the name of the resulting char[]
# variable. The second parameter is the name of the file. The output is a C include file with
# the target file content encoded (in lowercase hex) as the variable name given.

# The char array is zero terminated, and the length of the data is stored in $1_length as
# an unsigned long integer.

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

fileSize () { [ -e "$1" ]  && { set -- `ls -l "$1"`; echo $5; } }
fullPath() { echo "`readlink -f "$(dirname "$1")"`/`basename "$1"`"; }

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

fileSize=`fileSize "$2"`;

(( fileSize )) || {
    printf "%s\n" "bin2inc: error: \`$2' has no content to encode";
    exit 3; # no data
} >&2;

echo "/* auto-generated binary include: \"$2\" encoded by bin2inc (sh)

resource : file://$(fullPath "$2")
developer: $USER
machine  : $HOSTNAME
content-length: $fileSize

*/

unsigned char $1[] = {

$( { ./xtr -fhex -p 0x -s ', ' < "$2"; echo -n 0x00; } | fold -sw 87 | sed  's/^/    /')

};

unsigned long int ${1}_length = $fileSize;"