# assumes the file is named in a variable $badsyms.
# $badsyms  would best be an absolute path.
#
# close(BADSYMS); before this, otherwise writes may not be
# flushed before the test.
# That would give a false positive

if ( -z $badsyms ) {
    unlink $badsyms or die "Cannot unlink $badsyms: $!";
}
else {
    print "Bad symbols contained in $badsyms\n";
}