[texhax] adobe 10

[Veerappa Chetty]

If I install Sumatra, can I choose AR or Sumatra to create and save PDF
files?  Thanks.
Chetty

On Sat, May 28, 2011 at 8:29 AM, Reinhard Kotucha
<reinhard.kotucha at web.de>wrote:

> On 2011-05-28 at 11:09:35 +0200, Lars Madsen wrote:
>
>  > On 05/27/2011 06:13 PM, Reinhard Kotucha wrote:
>  > > On 2011-05-27 at 16:01:02 +0200, Lars Madsen wrote:
>  > >
>  > >   >  Aren't you refering to your editor instead? If that is the
>  > >   >  case I'd also recommend looking at the Sumatra PDF viewer,
>  > >   >  as it does not lock the PDF file as AR does, so the PDF
>  > >   >  viewer can stay open during the entire writing/compilation
>  > >   >  process.
>  > >
>  > > It's Windows that locks the file, not AR.
>  > >
>  > > Regards,
>  > >    Reinhard
>  > >
>  >
>  > if it is windows, then why doesn't it lock it for Sumatra PDF?
>
> Because Sumatra PDF loads the whole file into memory, and, if the file
> is large, into swap space.  The actual file is closed and can be
> deleted or replaced while the program is running.
>
> AR keeps the file opened and loads only those parts of the file into
> memory which are actually needed.  This is accomplished by the
> fseek(3) system call.  AR first jumps to the end of the file,
> determines the start of the xref table, and loads it into memory.
> With the xref table, every object can be accessed quickly, using
> fseek() again.
>
> On Unix you can delete a file while a process is using it.  Deleting a
> file means removing its directory entry.  The file metadata are stored
> in the inode, which persists until the last process accessing the
> files dies.
>
> On FAT file systems the file metadata are stored in the directory too.
> There is no separate inode.  Hence, open files have to be locked.
> I suppose that NTFS itself doesn't have this limitation, but I don't
> know which features of NTFS are currently supported by Windows.
>
> BTW, AR is not the only program which suffers from file locking under
> Windows.
>
> Regards,
>  Reinhard
>
> --
>
> ----------------------------------------------------------------------------
> Reinhard Kotucha                                      Phone:
> +49-511-3373112
> Marschnerstr. 25
> D-30167 Hannover                              mailto:
> reinhard.kotucha at web.de
>
> ----------------------------------------------------------------------------
> Microsoft isn't the answer. Microsoft is the question, and the answer is
> NO.
>
> ----------------------------------------------------------------------------
>



-- 
Professor of Family Medicine
Boston University
Tel: 617-414-6221, Fax:617-414-3345
emails: chettyvk at gmail.com,vchetty at bu.edu
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