Download internal table to XSLX on SAP application server

I was struggling with this feature for a longtime and finally found some solution and so thought of listing it:

Here is what I did to download an internal table to xslx format (works for xls aso) :

I found this excellent link that allowed me to download an XSLX file on to local directory and then I added a little more to download to app server.

http://abapblog.com/articles/tricks/33-create-xlsx-mhtml-file-from-internal-table-in-background

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Per this link. once the bin file is prepared, pass it to

  CALL FUNCTION 'HR_CA_DOWNLOAD_TO_APPSERVER'         EXPORTING           filename          = p_file           filesize          = g_size         IMPORTING           bytes_transfered  = len         TABLES           data_tab          = gt_bintab         EXCEPTIONS           invalid_filesize  = 1           no_authority      = 2           dataset_open_error = 3           OTHERS            = 4.

This works for xslx as well as xls