What's your use case in this scenario? Do you want to provide access to the
PDFs over the web or are you using them as your archival format?  You
probably don't want to use PDF to achieve both objectives.

Ethan
On Apr 26, 2013 5:11 PM, "Edward M. Corrado" <[log in to unmask]> wrote:

> This works sometimes. Well, it does give me a new tiff file from the pdf
> all of the time, but it is not always anywhere near the same size as the
> original tiff. My guess is that maybe there is a flag or somethign that
> woulf help. Here is what I get with one fil:
>
>
> ecorrado@ecorrado:~/Desktop/test$ convert -compress none A001a.tif
> A001a.pdf
> ecorrado@ecorrado:~/Desktop/test$ convert -compress none A001a.pdf
> A001b.tif
> ecorrado@ecorrado:~/Desktop/test$ ls -al
> total 361056
> drwxrwxr-x 2 ecorrado ecorrado     4096 Apr 26 17:07 .
> drwxr-xr-x 7 ecorrado ecorrado    20480 Apr 26 16:54 ..
> -rw-rw-r-- 1 ecorrado ecorrado 38497046 Apr 26 17:07 A001a.pdf
> -rw-r--r-- 1 ecorrado ecorrado 38178650 Apr 26 17:07 A001a.tif
> -rw-rw-r-- 1 ecorrado ecorrado  5871196 Apr 26 17:07 A001b.tif
>
>
> In this case, the two tif files should be the same size. They are not even
> close. Maybe there is a flag to convert (besides compress) that I can use.
> FWIW: I tried three files/ 2 are like this. The other one, the resulting
> tiff is the same size as the original.
>
> Edward
>
>
>
>
>
> On Fri, Apr 26, 2013 at 4:25 PM, Aaron Addison <[log in to unmask]
> >wrote:
>
> > Imagemagick's convert will do it both ways.
> >
> > convert a.tiff b.pdf
> > convert b.pdf a.tiff
> >
> > If the pdf is more than one page, the tiff will be a multipage tiff.
> >
> > Aaron
> >
> > --
> > Aaron Addison
> > Unix Administrator
> > W. E. B. Du Bois Library UMass Amherst
> > 413 577 2104
> >
> >
> >
> > On Fri, 2013-04-26 at 16:08 -0400, Edward M. Corrado wrote:
> > > Hi All,
> > >
> > > I have a need to batch convert many TIFF images to PDF. I'd then like
> to
> > be
> > > able to discard the TIFF images, but I can only do that if I can create
> > the
> > > original TIFF again from the PDF. Is this possible? If so, using what
> > tools
> > > and how?
> > >
> > > tiff2pdf seems like a possible solution, but I can't find a
> corresponding
> > > "pdf2tif" program that reverses the process.
> > >
> > > Any ideas?
> > >
> > > Edward
> >
>