Greeting monks

In my perl script, few graphs are plotted using GDGraph module. As soon as the plotting is done, I want to open these graphs with a specific application(not the default one).I have tried using

system(qq(start "$full_filename"));

But it returns the following error

start: Unknown job: Line_uptime_1.gif

Please suggest me the right way

In reply to How to open a gif file with non-default application by newbie_coder

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