(function () {
//   Initialize the variables for overrides objects
    var overrideCtx = {};
    overrideCtx.Templates = {};
    /*
     * Using the Fields override leaves the rest of the rendering intact, but
     * allows control over one or more specific fields in the existing view
     */
    overrideCtx.Templates.Fields = {
        'Body': { 'View' : CustomField }
    };

    /*
     * Register the template overrides.
     */
    SPClientTemplates.TemplateManager.RegisterTemplateOverrides(overrideCtx);
})();


function CustomField(ctx) {
    // Really basic field-level conditional formatting
    var ret

    ret = ctx.CurrentItem.Body;
    if (ret.length > 400)
    {
        ret = ret.substring(0, 400) + '&nbsp;&nbsp;&nbsp;<b><a href="/Blog/Lists/Posts/Post.aspx?ID=' + ctx.CurrentItem.ID + '">More ...</a></b>';
    }

    return ret;
}