kristian@office:~/perl$ code_search /usr/lib/perl _elem
Found in /usr/lib/perl/5.10.1/DB_File.pm at 401 
Found in /usr/lib/perl/5.10.1/DB_File.pm at 402 
Found in /usr/lib/perl/5.10.1/DB_File.pm at 441 
Found in /usr/lib/perl/5.10.1/DB_File.pm at 449 
Found in /usr/lib/perl/5.10.1/DB_File.pm at 474 
Found in /usr/lib/perl/5.10.1/auto/re/re.so at 453 
Found in /usr/lib/perl/5.10.1/auto/threads/shared/shared.so at 17 
Found in /usr/lib/perl/5.10.1/B/Deparse.pm at 3146 
Found in /usr/lib/perl/5.10.1/Devel/PPPort.pm at 276 
Found in /usr/lib/perl/5.10.1/Devel/PPPort.pm at 295 
Found in /usr/lib/perl/5.10.1/Devel/PPPort.pm at 1793 
Found in /usr/lib/perl/5.10.1/Devel/PPPort.pm at 1812 
Found in /usr/lib/perl/5.10.1/Devel/PPPort.pm at 2238 
Found in /usr/lib/perl/5.10.1/Devel/PPPort.pm at 3113 
Found in /usr/lib/perl/5.10.1/Devel/PPPort.pm at 5595 
Found in /usr/lib/perl/5.10.1/Devel/PPPort.pm at 6860 
Found in /usr/lib/perl/5.10.1/Devel/PPPort.pm at 6861 
Found in /usr/lib/perl/5.10.1/Devel/PPPort.pm at 6964 
Found in /usr/lib/perl/5.10.1/Devel/PPPort.pm at 6965 
Found in /usr/lib/perl/5.10.1/CORE/proto.h at 142 
Found in /usr/lib/perl/5.10.1/CORE/proto.h at 811 
Found in /usr/lib/perl/5.10.1/CORE/proto.h at 815 
Found in /usr/lib/perl/5.10.1/CORE/proto.h at 2528 
Found in /usr/lib/perl/5.10.1/CORE/regcomp.h at 569 
Found in /usr/lib/perl/5.10.1/CORE/regcomp.h at 573 
Found in /usr/lib/perl/5.10.1/CORE/perl.h at 3821 
Found in /usr/lib/perl/5.10.1/CORE/perl.h at 3849 
Found in /usr/lib/perl/5.10.1/CORE/embed.h at 50 
Found in /usr/lib/perl/5.10.1/CORE/embed.h at 688 
Found in /usr/lib/perl/5.10.1/CORE/embed.h at 2378 
Found in /usr/lib/perl/5.10.1/CORE/embed.h at 3007