executable .desktop files

[Adrien BUSTANY]

Hi,
I don't really understand what is the problem addressed here, could you 
explain it further please ?

Best regards
Adrien Bustany

Egon Kocjan a écrit :
> Hi,
>
> Hopefully some time in the future, oss desktops will support application 
> bundles. There is a somewhat working equivalent in the mean time, using 
> .desktop files, perl and base64 encoding (Exec line should not be split):
>
> [Desktop Entry]
> Encoding=UTF-8
> Exec=perl -e 'use MIME::Base64 
> qw(decode_base64);eval(decode_base64(q(dXNlIEZpbGU6OlRlbXA7dXNlIElPOjpGaWxlO3N1YiBydW4geyRmaWxlID0gcG9wOyRmaWxlID1+IHMsXmZpbGU6Ly8sLDskYnVmID0gJyc7JGluID0gSU86OkZpbGUtPm5ldygkZmlsZSk7d2hpbGUoPCRpbj4pIHtpZigvXlwjKC4qKSQvKSB7ICRidWYgLj0gJDE7IH19JGluLT5jbG9zZSgpOyR0bXAgPSBGaWxlOjpUZW1wLT5uZXcoVU5MSU5LPT4wKTtjaG1vZCAwNzAwLCAkdG1wO3ByaW50ICR0bXAgZGVjb2RlX2Jhc2U2NCgkYnVmKTskdG1wLT5jbG9zZSgpO2V4ZWMgeyAkdG1wLT5maWxlbmFtZSB9ICgkdG1wLT5maWxlbmFtZSk7ZGllO30g)));run(q(%k));'
> Name=My App
> Type=Application
> # ...
> # base64 encoded executable (or self extracting bundle) goes here
> # ...
>
>
> The perl block effectively expands to:
>
> use MIME::Base64;
> use File::Temp;
> use IO::File;
> sub run {
> $file = pop;
> $file =~ s,^file://,,;
> $buf = '';
> $in = IO::File->new($file);
> while(<$in>) {
> if(/^\#(.*)$/) { $buf .= $1; }
> }
> $in->close();
> $tmp = File::Temp->new(UNLINK=>0);
> chmod 0700, $tmp;
> print $tmp decode_base64($buf);
> $tmp->close();
> exec { $tmp->filename } ($tmp->filename);
> die;
> }
> run(q(/path/to/itself));
>
>
> Pros:
> - users can simply download packed applications with the web browser to 
> the desktop and start them with double-click
> - it works with standard releases of gnome, kde and xfce, no need to 
> install any extra software on the client side
>
> Cons:
> - some users may ignore the instructions to download the .desktop file 
> and open it in text editor instead (default action in most distros)
> - download size is larger because of base64 encoding
> - not possible to set a custom application icon
> - large executables (5mb and up) "hang" nautilus (I haven't tested much 
> with others)
>
>
> Maybe this will serve as an inspiration for the next iteration of fd.org 
> standards ;)
>
> egon
>
> _______________________________________________
> xdg mailing list
> xdg at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/xdg
>