From PhilPapers forum Help Forum:

2011-04-20
Exporting Search Results: What's a pl file?
Hi,

I'm new at this and am having some troubles. I'm trying to export a search result from philpapers to an ris file so I can import it into Mendeley. I select Reference Manager from the Export this Page box, change the number to 444 (that's how many results I had), but when I export it I get the file 'asearch.pl'. What is a pl file? In fact, I get this when I try to export it to other file types as well.

Is changing the file extension to ris safe? Will I lose any information this way? Thanks for the help.