jpegをアスキーアートに変換する ref: http://qiita.com/items/c8144222abcad84532c7

convert.sh

#!/bin/bash 

echo 'convert start.'

noise_option="$1"

if [ -z $noise_option ]; then
  noise_option=0
fi

echo "noise_option: [$noise_option]"

if [ -e irof.html ]; then
    rm irof.html
fi

java -jar jitac-0.2.0.jar -H -o irof.html -n $noise_option irof.jpeg

if [ -e irof.html ]; then
    echo "convert success!"
fi

exit 0