#truss ./encrypt_openpgp.pl 2>&1  | grep open | grep Pari
open64("/opt/perl-5.26.0/lib/site_perl/5.26.0/sun4-solaris-thread-multi/Math/Pari.pm", O_RDONLY) = 4
open("/opt/perl-5.26.0/lib/site_perl/5.26.0/sun4-solaris-thread-multi/auto/Math/Pari/Pari.so", O_RDONLY) = 4