print @files;
} else {
print grep {
s/^obj (.+) \w+ \d+\s*$/$1/ || s/^sym (\S.*?) -> .*$/$1/ } @files;
s/^obj (.+) \w+ \d+\s*$/$1\n/ || s/^sym (\S.*?) -> .*$/$1/ } @files;
}