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一言难尽啊。。。
这个和你用的终端类型，vim源码设置，vim配置文件有关
一般使用VT100，退出vim后不会恢复编辑前的屏幕内容
使用xterm可以设置成恢复打开vim前的屏幕，也可以设置成不恢复
摘一段vim内的说明：
Switching screens in an xterm xterm-screens xterm-save-screen
(From comp.editors, by Juergen Weigert, in reply to a question)
:> Another question is that after exiting vim, the screen is left as it
:> was, i.e. the contents of the file I was viewing (editing) was left on
:> the screen. The output from my previous like "ls" were lost,
:> ie. no longer in the scrolling buffer. I know that there is a way to
:> restore the screen after exiting vim or other vi like editors,
:> I just don't know how. Helps are appreciated. Thanks.
:
:I imagine someone else can answer this. I assume though that vim and vi do
:the same thing as each other for a given xterm setup.
They not necessarily do the same thing, as this may be a termcap vs.
terminfo problem. You should be aware that there are two databases for
describing attributes of a particular type of terminal: termcap and
terminfo. This can cause differences when the entries differ AND when of
the programs in question one uses terminfo and the other uses termcap
(also see +terminfo).
In your particular problem, you are looking for the control sequences
^[[?47h and ^[[?47l. These switch between xterms alternate and main screen
buffer. As a quick workaround a command sequence like >
echo -n "^[[?47h"; vim ... ; echo -n "^[[?47l"
may do what you want. (My notation ^[ means the ESC character, further down
you'll see that the databases use \E instead).
On startup, vim echoes the value of the termcap variable ti (terminfo:
smcup) to the terminal. When exiting, it echoes te (terminfo: rmcup). Thus
these two variables are the correct place where the above mentioned control
sequences should go.
Compare your xterm termcap entry (found in /etc/termcap) with your xterm
terminfo entry (retrieved with "infocmp -C xterm"). Both should contain
entries similar to: >
:te=\E[2J\E[?47l\E8:ti=\E7\E[?47h:
PS: If you find any difference, someone (your sysadmin?) should better check
the complete termcap and terminfo database for consistency.
NOTE 1: If you recompile Vim with FEAT_XTERM_SAVE defined in feature.h, the
builtin xterm will include the mentioned "te" and "ti" entries.
NOTE 2: If you want to disable the screen switching, and you don't want to
change your termcap, you can add these lines to your .vimrc: >
:set t_ti= t_te= |
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发表于 2011-09-30 10:17
