Re: [libreoffice-users] Command-line PDF-export options ("soffice --convert-to pdf") ?

On 08/30/2015 09:06 PM, Aurelius Octavian wrote:
> With UNO it's possible to set the PDF-Export's filter options before
> doing the actual PDF export, like for example set "PDF/1a" format, "No
> (Jpeg) compression", etc. Here's the list:
> https://wiki.openoffice.org/wiki/API/Tutorials/PDF_export#General_properties
>
> How to do the same thing with Libreoffice being called from the
> command-line with the parameter "--convert-to pdf" ? The "--help"
> message says:
>
> --convert-to pdf:writer_pdf_Export[:output_filter_options]
>
> Unfortunately, I don't find these mentioned ":output_filter_options".
> Does anybody know them?

Those filter option arguments got added as a fix for 
<https://bugs.documentfoundation.org/show_bug.cgi?id=36313> "CLI: 
Encoding issue when Converting documents: esp. UTF-8 in headless mode." 
 However, their usage is rather awkward, as you need to have intimate 
knowledge about the individual filters' arguments, and how each filter's 
code expects those arguments to be encoded as a string.  See comment 
<https://bugs.documentfoundation.org/show_bug.cgi?id=36313#c17> for an 
example for Calc's CSV filter.

> If I knew C++ in large projects better, I would dare to look at
> Libreoffice's source-code (and I did so), but it's very Greek to me.

I fear there's no way around somebody interested in this topic picking 
this up, reading the source code and writing documentation for the 
various filters what the filter option strings should look like.

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