file_size is a virtual field provided by the oik-fields plugin.
You can use it whenever a shortcode supports the display of fields, using the
and when the
post_type being displayed is an
attachment that has a file size.
Here we use it to display the file size of attachments to this shortcode example.
[bw_table post_type=attachment fields=title,file_size,excerpt]
|BASF Empty Spool case
|The French for Empty Spool is Bobine vide
|bobbing wide – where does it come from
|A poem by Herb Miller explaining the derivation of Bobbing Wide.