[texhax] including remote graphics file

Victor Ivrii vivrii at gmail.com
Fri Nov 25 13:11:55 CET 2005

On 11/25/05, Alexander Grahn <A.Grahn at fz-rossendorf.de> wrote:
> Well, I assumed you sought a way to display an image which is held on
> some web server, beeing updated regularly there, such that its current
> state gets displayed whenever the user opens the document (e. g. a chart
> showing stock price development comes to mind).
> If you simply want the image file to be downloaded just before its
> inclusion, use of \write18 might help:
>   \write18{wget http://someserver.org/image.jpeg}
>   \includegraphics{image}
> However, there are caveats with this approach too. Firstly, it requires the
> fetching command (`wget' in this case) to be installed on the targeted
> system.

wget (or some other command) is rather common.

> Secondly, the user must know about the `-shell-escape' command
> switch to LaTeX/pdfLaTeX, to enable \write18-functionality.

Where this command should be placed? In TeXShop this ansatz runs
perfectly but on terminal command line fails (\write18 does not work)

> Thirdly,
> the image file format must be compatible with the output producing method
> (Dvi, PDF).
This one is standard

> Probably, manual download remains the safest option.
> Alexander

Thanks again = Victor
Victor Ivrii, Department of Mathematics, University of Toronto

More information about the texhax mailing list