Re: Rephrased question -[Re: Understanding pdfseparate error messages]

[Max Nikulin <manikulin@gmail.com>]

On 24/07/2025 22:31, Richard Owlett wrote:
> On 7/24/25 8:20 AM, Richard Owlett wrote:
> > I tried "pdfseparate -f 116 -l 116 TFP2021.pdf dianostic.pdf" and got
> > > Syntax Error (3868069): Missing 'endstream' or incorrect stream length
> > > Syntax Error (3557294): Missing 'endstream' or incorrect stream length
> > >     [multiple repetitions of those 2 lines
> > > Syntax Error (3556857): Bad FCHECK in flate stream
> > > Syntax Error (3868069): Missing 'endstream' or incorrect stream length
> > > Syntax Error (3866517): Bad FCHECK in flate stream
> >
> > How/where do I find interpretation of those?
[...]
> I'm still interested in the meaning of the error messages as it may hint as why ""pdftotext" wasn't *exactly* what I hoped for. 


On 25/07/2025 00:46, Richard Owlett wrote:
> Are pdfseparate error messages documented?
> If so, where?

They are documented as poppler source code. Likely you should be 
familiar with PDF format specification to judge it if is failure of 
poppler or of those who created the file.

See David's message for a reason why it may be better to avoid 
pdfseparate. (It may still have its niche.)