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Top Forums Programming Linux C - how to open a pdf file with default reader Post 302406060 by JohnGraham on Sunday 21st of March 2010 07:18:46 PM
Old 03-21-2010
I know Gnome has a utility program, gnome-open, which will take the file you pass to it and open that with the default application, whatever that is - presumably there's something similar for KDE and other popular desktop environments?

If you want it to be fairly portable, you could:

1) Check for the presence of, e.g. gnome-open with system("gnome-open --version"), and so on for other programs until you find one,

2) If that doesn't work, go down a similar list of raw pdf viewers (system("evince --version"), etc), and

3) If you still can't find one, prompt the user for the name of a program.

Apart from that, I don't think there's a lot else you can do.
 

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EVINCE(1)                                                     General Commands Manual                                                    EVINCE(1)

NAME
evince - GNOME document viewer The Evince Document Viewer application for GNOME desktop environment SYNTAX
evince [--help] [--usage] [--page-label=<label>] [--quit] [filename(s)...] DESCRIPTION
evince Evince is a document viewer capable of displaying multiple and single page document formats like PDF and Postscript. For more general information about Evince please visit our website at http://www.gnome.org/projects/evince/ OPTIONS
--help Prints the command line options. --page-label=label You can pass a page label or page number here, this page will be selected in the document if it exists. filename(s)... Specifies the file to open when Evince starts. If this is not specified, Evince will open a blank window. Multiple files can be loaded if they are separated by spaces. Evince also supports handling of remote files. For example, you can pass the location on the web or load a file from a FTP server, like "ftp://adobe.com/sample.pdf". BUGS
If you find a bug, please report it at http://bugzilla.gnome.org/enter_bug.cgi?product=evince. 30 Jan 2007 EVINCE(1)
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