[vim] silent execution of grep (#529)
Alberto Fanjul
Launching grep with silent is not really silent (search using vim codebase)
$ vim -e -s -c "silent grep appveyor -R *" -c 'qall!'
Filelist:8: appveyoryml \
READMEmd:4:[](https://ciappveyorcom/project/chrisbra/vim)
I found there's no way to avoid output for ex_make (function underneath :grep), because nothing defines
https://githubcom/vim/vim/blob/5d8afebb5bf7fb1e8ce06062451dc6a1f9a53ac0/src/os_unixc#L230
show_shell_mess = FALSE;
with indeed suppress external command output for
https://githubcom/vim/vim/blob/5d8afebb5bf7fb1e8ce06062451dc6a1f9a53ac0/src/os_unixc#L4515
here:
https://githubcom/vim/vim/blob/5d8afebb5bf7fb1e8ce06062451dc6a1f9a53ac0/src/os_unixc#L4363
To be more general, I do like to have :make in real silent mode too as I relay on quickfix to navigate errors or results
calling mch_expand_wildcards
https://githubcom/vim/vim/blob/5d8afebb5bf7fb1e8ce06062451dc6a1f9a53ac0/src/os_unixc#L5676
is the only way to set show_shell_mess to FALSE,
https://githubcom/vim/vim/blob/5d8afebb5bf7fb1e8ce06062451dc6a1f9a53ac0/src/os_unixc#L6004
but really don't know where to insert such call
Is that call missing, is it planned to add?
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Bram Moolenaar
Alberto Fanjul wrote:
> Launching grep with silent is not really silent (search using vim codebase)
>
> $ vim -e -s -c "silent grep appveyor -R *" -c 'qall!'
> Filelist:8: appveyoryml \
> READMEmd:4:[](https://ciappveyorcom/project/chrisbra/vim)
>
> I found there's no way to avoid output for ex_make (function underneath :grep), because nothing defines
>
> https://githubcom/vim/vim/blob/5d8afebb5bf7fb1e8ce06062451dc6a1f9a53ac0/src/os_unixc#L230
Those links to github don't work, so I can't see what you are talking
about. Perhaps quote the relevant code?
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Alberto Fanjul
Maybe you're trying url from grep execution, (which is merely coincidence) I just look for a search with few results, say:
$ vim -e -s -c "silent grep appveyor -R *" -c 'qall!'
Filelist:8: appveyor.yml \
README.md:4:blablablabla
I can see a missing dot on your urls
https://githubcom/vim/vim/blob/5d8afebb5bf7fb1e8ce06062451dc6a1f9a53ac0/src/os_unixc#L230
instead of:
https://githubcom/vim/vim/blob/5d8afebb5bf7fb1e8ce06062451dc6a1f9a53ac0/src/os_unix.c#L230
anyway is plain to follow url (in case explained it is src/os_unix.c, line 230. etc etc etc)
Alberto Fanjul
This is about suppress output for a command. Avoid grep clear screen and show results to collect them on a quicklist, avoid make clear screen and show build output
Setting that variable to false output is not shown at all
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Tony Mechelynck
@brammool : Somehow a dot gets lost (between github and com) in the URL as the original post post got sent over from github to Google Groups to users' mailboxes. For best results this thread should be viewed on github.
Best regards,
Tony.
Mao-Yining
mao-yining left a comment (vim/vim#529)I am using Vim 9.2.1112. On both Windows and Linux's TUI. If we use silent grep or silent make. All contents on the screen will be cleared until use press <C-L> manually. Is this possible to redraw by default in this case?
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h_east
h-east left a comment (vim/vim#529)The blank screen is a missing redraw in do_shell(). It calls
wait_return(msg_silent == 0), and that argument is what schedules
set_must_redraw(UPD_CLEAR). Since wait_return() skips the hit-enter
prompt for :silent on its own, passing FALSE there only takes the redraw
away. Passing TRUE draws the window again, while a plain :make keeps its
prompt.
For the original request, what reaches the screen from :grep and :make is
written by the tee in the default 'shellpipe'. With set shellpipe=>%s\ 2>&1
nothing goes to the terminal and the quickfix list is filled as before, so
:silent grep is silent today.
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