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From: Merciadri Luca on 13 May 2010 16:00
Hi,

When compiling any .tex document using the route latex -> dvips ->
ps2pdf, I get a PDF. Normal, but the problem is that if I the PDF is
already opened (e.g. because I was reading the version of the document
before having modified and compiled it) when the compilation and the
whole process ends, the opened PDF is blank, i.e. the current page
becomes white, and every page I go at is white. If I then re-open the
document, I find the new version of my PDF.

I would like to know how this process actually works. For me, it looks
like the ps2pdf tool creates the PDF from scratch, and overwrites the
old PDF. But why am I receiving no warning message from acroread?
Anyway, acroread seems not to be locking the file, or, if so, ps2pdf
forces the writing.

Thanks.

--
Merciadri Luca
See http://www.student.montefiore.ulg.ac.be/~merciadri/
I use PGP. If there is an incompatibility problem with your mail
client, please contact me.




From: Sven Joachim on 13 May 2010 16:30
On 2010-05-13 17:04 +0200, Merciadri Luca wrote:

> When compiling any .tex document using the route latex -> dvips ->
> ps2pdf, I get a PDF.

This is a rather clumsy way these days. Why don't you use pdflatex?

> Normal, but the problem is that if I the PDF is
> already opened (e.g. because I was reading the version of the document
> before having modified and compiled it) when the compilation and the
> whole process ends, the opened PDF is blank, i.e. the current page
> becomes white, and every page I go at is white.

The changes in the file seem to confuse acroread. At least it does not
crash.

> If I then re-open the
> document, I find the new version of my PDF.

A smart reader would have an option to detect changes to the file and
reload it automatically. Since I haven't used acroread for ages I don't
know whether it has such an option.

> I would like to know how this process actually works. For me, it looks
> like the ps2pdf tool creates the PDF from scratch, and overwrites the
> old PDF.

A quick experiment shows that this does not seem to be the case, ps2pdf
writes to the existing file.

> But why am I receiving no warning message from acroread?

Ask Adobe…

> Anyway, acroread seems not to be locking the file, or, if so, ps2pdf
> forces the writing.

I would be rather annoyed if a reader locked a file that it does not
even open for writing.

Sven


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From: Merciadri Luca on 13 May 2010 17:00
Merciadri Luca wrote:
> Hi,
>
> When compiling any .tex document using the route latex -> dvips ->
> ps2pdf, I get a PDF. Normal, but the problem is that if I the PDF is
> already opened (e.g. because I was reading the version of the document
> before having modified and compiled it) when the compilation and the
> whole process ends, the opened PDF is blank, i.e. the current page
> becomes white, and every page I go at is white. If I then re-open the
> document, I find the new version of my PDF.
>
> I would like to know how this process actually works. For me, it looks
> like the ps2pdf tool creates the PDF from scratch, and overwrites the
> old PDF. But why am I receiving no warning message from acroread?
> Anyway, acroread seems not to be locking the file, or, if so, ps2pdf
> forces the writing.
>
> Thanks.
>
>
Posting is so slow that I have already obtained the answer through
comp.text.tex. So please do not take the OP into account.

--
Merciadri Luca
See http://www.student.montefiore.ulg.ac.be/~merciadri/
I use PGP. If there is an incompatibility problem with your mail
client, please contact me.




From: Merciadri Luca on 13 May 2010 17:50
Sven Joachim wrote:
> On 2010-05-13 17:04 +0200, Merciadri Luca wrote:
>
>
>> When compiling any .tex document using the route latex -> dvips ->
>> ps2pdf, I get a PDF.
>>
>
> This is a rather clumsy way these days. Why don't you use pdflatex?
>
>
>> Normal, but the problem is that if I the PDF is
>> already opened (e.g. because I was reading the version of the document
>> before having modified and compiled it) when the compilation and the
>> whole process ends, the opened PDF is blank, i.e. the current page
>> becomes white, and every page I go at is white.
>>
>
> The changes in the file seem to confuse acroread. At least it does not
> crash.
>
>
>> If I then re-open the
>> document, I find the new version of my PDF.
>>
>
> A smart reader would have an option to detect changes to the file and
> reload it automatically. Since I haven't used acroread for ages I don't
> know whether it has such an option.
>
>
>> I would like to know how this process actually works. For me, it looks
>> like the ps2pdf tool creates the PDF from scratch, and overwrites the
>> old PDF.
>>
>
> A quick experiment shows that this does not seem to be the case, ps2pdf
> writes to the existing file.
>
>
>> But why am I receiving no warning message from acroread?
>>
>
> Ask Adobe…
>
>
>> Anyway, acroread seems not to be locking the file, or, if so, ps2pdf
>> forces the writing.
>>
>
> I would be rather annoyed if a reader locked a file that it does not
> even open for writing.
>
Thanks for this answer. There are *many* reasons not to use pdfLaTeX.
They do not enter in the scope of this mailing list, but I am pretty
sure you will find them directly on the Internet. For example, pdfLaTeX
encourages one to use directly JPG, etc., for the inclusion in the
document, which is pretty bad. There are also many incompatibilities
with different packages.

Note that, under Windows, I remember that acrord32.exe always blocked
the file for writing, even if it was only being read by acrord32.exe.
Okay, it's Windows. Bad memories.

--
Merciadri Luca
See http://www.student.montefiore.ulg.ac.be/~merciadri/
I use PGP. If there is an incompatibility problem with your mail
client, please contact me.


What doesn't kill you will make you stronger. (Friedrich Nietzsche)

From: Tom Furie on 13 May 2010 18:40
On Thu, May 13, 2010 at 10:03:50PM +0200, Merciadri Luca wrote:
> Merciadri Luca wrote:
> > Hi,
> >
> > When compiling any .tex document using the route latex -> dvips ->
> > ps2pdf, I get a PDF. Normal, but the problem is that if I the PDF is
> > already opened (e.g. because I was reading the version of the document
> > before having modified and compiled it) when the compilation and the
> > whole process ends, the opened PDF is blank, i.e. the current page
> > becomes white, and every page I go at is white. If I then re-open the
> > document, I find the new version of my PDF.
> >
> Posting is so slow that I have already obtained the answer through
> comp.text.tex. So please do not take the OP into account.

And, just for the record, what was the answer?

Cheers,
Tom

--
"I'm not a god, I was misquoted."
-- Lister, Red Dwarf
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