Bash: Base64 CLI

base64.sh

#Original Script found here @puppybits https://gist.github.com/puppybits/1565441
# Example
# bas64 file.png        creates the string with the needed data:image/png;base64, appended to the front of the string and copies it to your clipboard
# bas64 file.png -img   does the same as above but adds an image tag around the string so all you need to do is paste into your html file
bas64(){
  filename=$(basename $1)
  ext=${filename##*.}
  if [ $ext == gif ]; then
    append="data:image/gif;base64,";
  elif [ $ext == jpeg ] || [ $ext == jpg ]; then
    append="data:image/jpeg;base64,";
  elif [ $ext == png ]; then
    append="data:image/png;base64,";
    echo "this worked $1"
  elif [ $ext == svg ]; then
    append="data:image/svg+xml;base64,";
  elif [ $ext == ico ]; then
    append="data:image/vnd.microsoft.icon;base64,";
  fi

#Mathias Bynens - http://superuser.com/questions/120796/os-x-base64-encode-via-command-line
data=$(openssl base64 < $1 | tr -d '\n')

if [ "$#" -eq 2 ] && [ $2 == -img ]; then
	data=\<img\ src\=\"$append$data\"\ alt\=\"base64\"\ >
else
	data=$append$data
fi

echo $data | pbcopy

echo "copied to clipboard"
}