Create a scaffold to develop a Drupal Module

drumod.sh

MODULENAME=$1
MACHINENAME=$2
DESCRIPTION=$3

if [[ -d $MODULENAME ]]; then
  printf "There is a module with that name\n"
  exit 0
fi

if [[ ! -n $MACHINENAME ]]; then
  printf "You Need to provide a valid Machine Name\n"
  exit 0
fi

if [[ ! -n $DESCRIPTION ]]; then
  DESCRIPTION=$MODULENAME
fi

mkdir $MACHINENAME
cd $MACHINENAME

{
  printf "name = %s\n" "$MODULENAME"
  printf "description = %s\n"  "$DESCRIPTION"
  printf "core = 7.x\n"
} > $MACHINENAME.info

touch $MACHINENAME.module

{
  echo '<?php'
  echo ''
  echo '/*'
  echo ' * Implementation of hook_init()'
  echo " */" 
  echo "function @MACHINENAME_init() {"
  echo '  $path = drupal_get_path("module", "@MACHINENAME");'
  echo '  drupal_add_css($path . "/css/@MACHINENAME.css");'
  echo '  drupal_add_js($path . "/js/@MACHINENAME.js");'
  echo "}"
  echo ""
  echo '/*'
  echo ' * Implementation of hook_menu()'
  echo " */" 
  echo "function @MACHINENAME_menu() {"
  echo '  $items["@MACHINENAME/prototype"] = array('
  echo '    "title" => "",'
  echo "    'page callback' => '@MACHINENAME_prototype_page_render'," 
  echo "    'access arguments' => array('access content'),"
  echo "    'type' => MENU_CALLBACK,"
  echo "  );"
  echo '  return $items;'
  echo "}"
  echo ""
  echo '/*'
  echo ' * Implementation of hook_block_info()'
  echo " */" 
  echo "function @MACHINENAME_block_info() {"
  echo '  $blocks["@MACHINENAME_prototype"]["info"] = t("@MACHINENAME prototype");'
  echo '  return $blocks;'
  echo "}"
  echo ""
  echo "/*"
  echo " * Implementation of hook_block_view()"
  echo " */" 
  echo 'function @MACHINENAME_block_view($delta = "") {'
  echo '  $block = array();'
  echo ''
  echo '  switch ($delta) {'
  echo '    case "@MACHINENAME_prototype":'
  echo '      $block["subject"] = t("@MACHINENAME prototype");' 
  echo '      $block["content"] = @MACHINENAME_prototype_block_render();' 
  echo '      break;' 
  echo '  }' 
  echo '  return $block;' 
  echo '}'
  echo ""
  echo 'function @MACHINENAME_prototype_block_render() {'
  echo '  $output = "";'
  echo '  return $output;'
  echo '}' 
  echo ''
  echo 'function @MACHINENAME_prototype_page_render() {'
  echo '  $output = "";'
  echo '  return $output;'
  echo '}' 
} > $MACHINENAME.module.tmp


(sed s/@MACHINENAME/$MACHINENAME/g $MACHINENAME.module.tmp | sed s/\"/\'/g ) > $MACHINENAME.module

rm $MACHINENAME.module.tmp

mkdir js
mkdir css

cd js

{
  echo "Drupal.behaviors.$MACHINENAME = {"
  echo '  attach: function (context, settings) {'
  echo '  }'
  echo '};'
} > $MACHINENAME.js

I have been working on this code to scaffold a basic structure to start with a drupal module.
Bug reports are welcome.
Sorry I need to add comments and refactor many things, but the code is out there to play with it or just get ideas from it.

It works like this

bash drumod.sh NAME MACHINENAME [ DESCRIPTION]

If your description contains spaces, you have use double quotes.