Hey,

My preference is to maintain consistency with the other poppler utils.

pdftops, pdftotext, and pdftohtml all use the source file with the
extension changed. I prefer pdftocairo to work the same way.
Totally agreed here. Stefan, how difficult would be to make pdftocairo behave
like these programs?

Not very difficult at all! Right now, I'm pretty backed up and I can't say when I'll have time to do it though. I'll try and do it this weekend or next weekend otherwise.

Cheers,

Stefan


pdftoppm is the exception in writing to stdout if no output name is
specified. This only makes sense for the ppm format which allows
multiple images concatenated together. Writing multiple images to
stdout does not work with the png or jpeg formats.

Currently none of the other poppler utils (except pdftoppm which writes
to stdout) handle URLs with no output file specified. Whatever solution
is chosen for providing default filenames for URLs should be
consistently implemented across all the poppler utils. I would suggest
implementing behavior similar to wget. ie strip off everything up to
the last slash and escape any characters not supported by the
filesystem. Since the other poppler utils do not work with URLs with no
output file specified, I don't think finding a solution for this case
should block the committing of pdftocairo.

I'll make a final patch once we've decided the filename issue.

Cheers,

Stefan
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