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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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ANY2DJVU(1)							   DjVuLibre-3.5						       ANY2DJVU(1)

NAME
any2djvu - Convert .ps/.ps.gz/.pdf to .djvu SYNOPSIS
any2djvu url {filename(s)} DESCRIPTION
Converts files from .ps/.ps.gz/.pdf to .djvu by running them through a web server willing to perform this task. Invoke with -h switch for usage information. ENVIRONMENT
Non-empty value of DJVU_ONLINE_ACK acknowledges transmission of the documents to the server (so that no warning dialog is displayed). EXAMPLES
any2djvu http://www.bcl.hamilton.ie/~barak/papers mesh-preprint.ps.gz any2djvu localfile.pdf AUTHORS
David Kreil, Barak A. Pearlmutter, Yaroslav O. Halchenko BUGS
Using a web-based encoder server is a stop-gap measure until better encoders enjoy wide free distribution. There is a security issue in operating on documents not intended for widespread distribution, which could be partially although not com- pletely ameliorated by using a secure web connection. SEE ALSO
The entire djvu suite, eg djvu(1), djview(1), and djvuserver(1). DjVuLibre-3.5 02/12/2003 ANY2DJVU(1)
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