You need the perl wiki converter installed, pdftohtml and jodconverter.

Very crude yet, enhancements welcome!

docpdf2DokuWiki.pl

#!/usr/bin/perl
 
use HTML::WikiConverter;
use File::Basename;
use File::Copy;
 
my $wc = new HTML::WikiConverter( dialect => 'DokuWiki' );
 
$path = "/home/cplus/Anleitungen";
$txtpath = "/var/www/dokuwiki/data/pages";
$imgpath = "/var/www/dokuwiki/data/media";
@dirs = <$path/*>;
 
foreach $dir (@dirs) {
   @files = <$dir/*>;
   foreach $file (@files) {
      $oldfile = $file;
      $file =~ s/\s+/_/g;
      $file =~ s/\-/_/g;
      $file =~ s/\__/_/g;
      $file =~ s/\__/_/g;
      $dirname = dirname($file);
      $basename = basename($file);
      $basename = lc $basename;
      $file = "$dirname/$basename";
      rename($oldfile,$file);
      if ( $file=~ /docx*$/ ) {
         system("jodconverter", "-f", "html", "$file");
      }
      if ( $file=~ /pdf$/ ) {
         system("pdftohtml", "$file");
      }
      $htmfile = $file;
      $htmfile =~ s/\..*//;
      $htmfile = "$htmfile.html";
      $newfile = $file;
      $newfile =~ s/\..*//;
      $newfile = "$newfile.txt";
      if ( -e $htmfile ) {
         open (MYFILE, ">>$newfile");
         $input = $wc->html2wiki( file => $htmfile );
         print MYFILE "$input";
         close (MYFILE);
      }
   }
   $txtdirpath=$txtpath.'/'.basename($dir);
   if ( ! -e $txtdirpath) {
      system("mkdir", "$txtdirpath");
   }
   @txt = <$dirname/*.txt>;
   foreach $txt (@txt) {
      copy($txt, $txtdirpath);
   }
   $imgdirpath=$imgpath.'/'.basename($dir);
   if ( ! -e $imgdirpath) {
      system("mkdir", "$imgdirpath");
   }
   @img = <$dirname/*.png>;
   foreach $img (@img) {
      copy($img, $imgdirpath);
   }
   @img = <$dirname/*.jpg>;
   foreach $img (@img) {
      copy($img, $imgdirpath);
   }
}
system ("chown", "-R", "www-data:www-data", "/var/www/dokuwiki");