try this example in sample6HTL introduction part 1 inside a data-sly-list you have access to a list-variable that contain things like : index, count, odd, even, first, last, middlein the expression you see the use of the ternary operator

Get the device type from a generic service class and use the value of that variable in sightly and add conditionWCMUsePojo classif(request.getHeader("User-Agent").indexOf("Mobile") != -1) {     //you're in mobile land  } else {     //nope, this is probably a desktop  }SIGHTLY<li data-sly-test="${isM...

You need to call hide function in both foundation-contentloaded and dialog ready

See this example to create CSV. Change the query according to your requirement if you want users, assets or pages to be exported in csv. https://github.com/Adobe-Consulting-Services/acs-aem-commons/blob/master/bundle/src/main/java/com/adobe/acs/commons/exporters/impl/users/UsersExportServlet.java

you can follow the below article to upload files in DAM https://helpx.adobe.com/experience-manager/using/uploading-files-aem1.html Alternatively you can refer to the asset manager api https://helpx.adobe.com/experience-manager/6-2/sites/developing/using/reference-materials/javadoc/com/adobe/granite/...

You can find so many examples to create csv and for uploading to dam refer to the last servlet part in this example https://helpx.adobe.com/experience-manager/using/uploading-files-aem1.html

Have you looked into this ? https://adobe-consulting-services.github.io/acs-aem-tools/features/csv-asset-importer/index.html

Using the above link, write a listener and use that in your component

Refer to https://helpx.adobe.com/experience-manager/6-3/sites/developing/using/reference-materials/coral-ui/coralui3/Coral.SelectList.html

Create a component.js and include that in your sightly html and then use the javascript-use api to get the content resource and assign it to a variable and use that variable in sightly. Refer to this example https://helpx.adobe.com/experience-manager/htl/using/use-api-javascript.html