Does anyone know of a way to use the command line in Linux to separate and merge layers (optional content, section 8.11 of ISO 32000:2008) from a PDF file?
I am mostly interested in files created with Adobe Illustrator – apologies if this is too far off-topic, I am quite desperate. I’ve posted this also to serverfault a while back, but no answers.
I have come across a reference to cslayer.dev in here but I cannot find any further documentation.
I am not aware of any Open Source commandline utility in Linux (or on any other platform) that can separate or merge layers in PDF files.
The only commandline utility I am aware of is closed source payware: callas pdfToolbox6, which available in different incarnations: