File::Compare(3)

NNAAMMEE
       File::Compare - Compare files or filehandles

SSYYNNOOPPSSIISS
               use File::Compare;
               if (compare("file1","file2") == 0) {
                   print "They're equal\n";
               }

DDEESSCCRRIIPPTTIIOONN
       The File::Compare::compare function compares the contents
       of two sources, each of which can be a file or a file
       handle.  It is exported from File::Compare by default.

       File::Compare::cmp is a synonym for
       File::Compare::compare.  It is exported from File::Compare
       only by request.

RREETTUURRNN
       File::Compare::compare return 0 if the files are equal, 1
       if the files are unequal, or -1 if an error was
       encountered.

AAUUTTHHOORR
       File::Compare was written by Nick Ing-Simmons.  Its
       original documentation was written by Chip Salzenberg.