Re: [9fans] how to undo in Rio shell window and Acme editor?

[Chris McGee <newton688@gmail.com>]

There’s a ‘win’ command you can executed in acme to get an interactive rc shell window.

> On May 9, 2018, at 11:40 AM, 刘宇宝 <liuyubao@yingmi.cn> wrote:
> 
> Great thanks for your idea,  file oriented design is very flexible! The prompt function may be used to automatically backup the output of previous command,  a poor man's undo buffer :-D
> 
> I tried to execute "rc" in Acme, seems Acme always execution command with /dev/null as stdin, I can't embed an interactive rc session into Acme and leverage the undo buffer of Acme window.
> 
>> On May 9, 2018, at 10:14 PM, Steve Simon <steve@quintile.net> wrote:
>> 
>> hi.
>> 
>> i think it is humour of a kind.
>> 
>> i cannot speak for acme but rio has no undo buffer, so what you ask for is not possible.
>> 
>> you can save a windows content (including history). e.g. /dev/wsys/11/text /tmp (assuming the window you want is number 11, cat /dev/winid to get the current windows id)
>> 
>> -Steve
>> 
>> 
>> On 9 May 2018, at 11:55, 刘宇宝 <liuyubao@yingmi.cn> wrote:
>> 
>>>>> I miss much the *universal* shortcut Ctrl-z on Window and Command-z on 
>>>>> macOS,  does Rio and Acme have the equivalent?
>>>>> 
>>>> 
>>>> Both the Ctrl key and the z key are fully supported on 9front Systems.
>>>> To remove undesired characters from the screen, the Backspace key is
>>>> also automatically provisioned, free of charge. 
>>> 
>>> Wow, is this kind of humor like the picture at the bottom of http://fqa.9front.org/ ?
>>> 
>>> I'm not a troll,  I wrote several articles to introduce Plan 9 some days ago, I'm seriously asking :-D
>>> 
>>> Maybe I already got the answer @_@
>>> 
>>> Thanks,
>>> Yubao Liu
>> 
>> 
>