$find_file = '/home/camel/file';

##</code><code>##

@list_of_file = ('/home/camel/file 42',
                 '/home/camel/file2 43',
                    ...

##</code><code>##

foreach $line (@list_of_files){
    if ($line =~ /$find_file/){
              print ($line);
           }
}