参考

dpkg binaries broken? - Unix & Linux Stack Exchange

現象

$ LANG=C sudo apt-get install screen
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following package was automatically installed and is no longer required:
  dc
Use 'apt-get autoremove' to remove it.
Suggested packages:
  iselect screenie byobu
The following NEW packages will be installed:
  screen
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/522 kB of archives.
After this operation, 854 kB of additional disk space will be used.
/usr/bin/dpkg-deb: 1: /usr/bin/dpkg-deb: �z����c���9��3��_<��]�3�ǳ�`��?�v��,�;�Y����#ny��w�b�
                                                                                                   {t5�9�[��{��>�~|����ẏqϣ
                                                                                                                             �G;��瓞�<r���W�}������uϣ?}_ޚ^}.y�<���^}_~��E<~���Z�"�}�|����ǯ��|���R����鬗P�}/��[���վ,�ߗAg��q��e��ŗя�^��V�: not found
/usr/bin/dpkg-deb: 1: /usr/bin/dpkg-deb: �: not found
/usr/bin/dpkg-deb: 2: /usr/bin/dpkg-deb: Syntax error: word unexpected (expecting ")")
dpkg: error processing archive /var/cache/apt/archives/screen_4.2.1-3+deb8u1_armhf.deb (--unpack):
 subprocess dpkg-deb --control returned error exit status 2
Errors were encountered while processing:
 /var/cache/apt/archives/screen_4.2.1-3+deb8u1_armhf.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

パッケージがインストールできない・・・。

対処

http://archive.raspbian.org/raspbian/pool/main/d/dpkg/dpkg_1.17.26_armhf.deb

を取得し差し替える

ar x dpkg_1.17.26_armhf.deb data.tar.gz
tar xf data.tar.gz ./usr/bin/dpkg-deb
sudo mv usr/bin/dpkg-deb /usr/bin/

これで動くようになりました。