grep -rnw 'app/' -e "<block name="

block-name.sh

app/design/adminhtml/default/default/layout/megamenu.xml:127:        <block name="content">
app/design/adminhtml/default/default/layout/catalog.xml:287:            <block name="category.tree" type="adminhtml/catalog_category_tree" template="catalog/category/tree.phtml" />
app/design/adminhtml/default/default/layout/catalog.xml:290:            <block name="category.edit"  type="adminhtml/catalog_category_edit" template="catalog/category/edit.phtml" />
app/design/adminhtml/default/default/layout/catalog.xml:299:            <block name="product.composite.fieldset.options" type="adminhtml/catalog_product_composite_fieldset_options" template="catalog/product/composite/fieldset/options.phtml">
app/design/adminhtml/default/default/layout/cms.xml:80:            <block name="wysiwyg_images.js" type="adminhtml/cms_wysiwyg_images_content" template="cms/browser/js.phtml" />
app/design/adminhtml/default/default/layout/cms.xml:81:            <block name="wysiwyg_images.tree" type="adminhtml/cms_wysiwyg_images_tree" template="cms/browser/tree.phtml" />
app/design/adminhtml/default/default/layout/cms.xml:84:            <block name="wysiwyg_images.content"  type="adminhtml/cms_wysiwyg_images_content" template="cms/browser/content.phtml">
app/design/adminhtml/default/default/layout/cms.xml:85:                <block name="wysiwyg_images.uploader" type="adminhtml/cms_wysiwyg_images_content_uploader" template="cms/browser/content/uploader.phtml" />
app/design/adminhtml/default/default/layout/cms.xml:86:                <block name="wysiwyg_images.newfolder" type="adminhtml/cms_wysiwyg_images_content_newfolder" template="cms/browser/content/newfolder.phtml" />
app/design/adminhtml/default/default/layout/cms.xml:92:        <block name="wysiwyg_images.files" type="adminhtml/cms_wysiwyg_images_content_files" template="cms/browser/content/files.phtml" output="toHtml" />
app/design/adminhtml/default/default/layout/widget.xml:31:        <block name="wysiwyg_widget" type="widget/adminhtml_widget" output="toHtml" />
app/design/adminhtml/default/default/layout/widget.xml:35:        <block name="wysiwyg_widget.options" type="widget/adminhtml_widget_options" output="toHtml" />
app/design/frontend/base/default/layout/megamenu.xml:16:            <block name="catalog.topnav.new" type="megamenu/navigationtop" template="megamenu/menu.phtml"/>
app/design/frontend/base/default/layout/megamenu.xml:17:            <block name="catalog.topnav.old" type="catalog/navigation" template="catalog/navigation/top.phtml"/>
app/design/frontend/base/default/layout/megamenu.xml:20:            <block name="megamenu_cssgen" type="megamenu/cssgen" template="megamenu/cssgen.phtml"/>
app/design/frontend/base/default/layout/core.xml:31:        <block name="formkey" type="core/template" template="core/formkey.phtml" />