Silently edit a buffer

Dear all,

 

what would be the best way to silently edit a buffer? In particular, I want to

be able to write the content of a variable to it, as well as to delete all of

its content.

 

The story goes, I'm writing a plugin that among other things reads from a

network socket using Vim 8 channels and jobs; this is the corresponding call:

 

call job_start(command_cmd, {'out_io': 'buffer', 'out_name': '_out'})

 

The problem is that on the other side of the socket there's a server process

which doesn't append a newline after it finishes its write. Consequently,

reading from the channel set to NL mode would always leave one line of input in

the socket, and so I'm forced to either fall back to RAW mode, or to check

whether there's something left in the socket and read it later with a separate

ch_read call:

 

- Writing in RAW mode directly to the buffer leaves ^@ in place of proper

linefeeds, meaning a callback function would have to be called, that would

substitute ^@ with ^M and only then write to the buffer; this is where the

initial question stems from.

- ch_read() call would also have to be performed by a callback function that

will, again, need a way to somehow write to the buffer.

 

The closest solution I've got is to do something like

 

:bufnr('_out') bufdo put =msg

 

but that switches the current window to "_out" buffer.

 

--

Regards,

Dmitry

 

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