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Results tagged with process
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user 15748
A process is a running instance of a program. Use this tag for how Emacs interacts with programs that it runs (compilers, viewers, network backends, etc.)
4
votes
Discard stderr in start-process
Emacs 25 introduced the function make-process for creating asynchronous processes, which is lower-level than start-process. … For example:
(make-process :name "mplayer"
:buffer (generate-new-buffer "*mplayer out*")
:command '("mplayer" "/path/to/video")
:connection-type 'pipe …
- 12.6k
2
votes
Make shell-command / async-shell-command respect carriage return?
The reason asynchronous commands are displayed differently to synchronous ones is because the former receive comint-output-filter as their process filter, whereas output from the latter is not interpreted …
- 12.6k
5
votes
Accepted
Print process output line by line
(when (and (eq (process-status proc) 'exit)
(zerop (process-exit-status proc))
(buffer-live-p (process-buffer proc)))
(with-current-buffer (process-buffer proc)
(mapc … *" "seq" "10")))
(set-process-filter proc #'my-filter)
(set-process-sentinel proc #'my-sentinel))
Equivalently, using make-process:
(make-process :name "my-proc"
:buffer " *my-proc …
- 12.6k
4
votes
Accepted
Interpolate environment variables in string
Here it is in action:
(let ((process-environment '("Foo=off" "Bar=rab" "skip=piks")))
(substitute-env-vars "This is $Foo and ${Bar}_none and '$skip'"))
which gives
"This is off and rab_none and ' …
- 12.6k