vim_encoding.rst

Reopen the file with specialfied encoding:

:e ++enc={encoding}

Run vim command after open vim:

$ vim -c "execute \"BundleInstall\" | q | q"

Change (convert):

:set fileencoding={encoding}

Show encoding:

:set fileencoding

Convert in commandline:

$ vim +"set fileencoding=utf-8 | wq"

or:

$ vim -c "e ++enc=utf8 | set fileencoding=gbk | w\! | q\!" gbk.txt