我运行 sudo apt-get upgrade 最后遇到这些错误
(Reading database ... 1234017 files and directories currently installed.)
Preparing to unpack .../gcc-doc_4%3a5.3.1-1ubuntu1_amd64.deb ...
install-info: No dir file specified; try --help for more information.
dpkg: warning: subprocess old pre-removal script returned error exit status 1
dpkg: trying script from the new package instead ...
dpkg: error processing archive /var/cache/apt/archives/gcc-doc_4%3a5.3.1-1ubuntu1_amd64.deb (--unpack):
there is no script in the new version of the package - giving up
install-info: No dir file specified; try --help for more information.
dpkg: error while cleaning up:
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
/var/cache/apt/archives/gcc-doc_4%3a5.3.1-1ubuntu1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)