From: Jeremie Juste <jeremiejuste@gmail.com>
To: emacs-orgmode@gnu.org
Cc: Brett Presnell <presnell@member.fsf.org>,
"Berry, Charles" <ccberry@health.ucsd.edu>
Subject: Re: na=\"nil\" in ob-R.elo
Date: Sat, 06 Feb 2021 21:05:09 +0100 [thread overview]
Message-ID: <87pn1dufm2.fsf@gmail.com> (raw)
In-Reply-To: <97F6B6F8-E109-4089-8C21-03E087AA4AD3@health.ucsd.edu> (Charles Berry's message of "Sat, 16 Jan 2021 00:19:05 +0000")
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Hello,
Thanks again for reporting this. With the attached patch I'll remove
nil replacement for NA.
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: 0001-For-results-value-return-empty-string-instead-of-nil.patch --]
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From 90881079d431a8af3cba5be14ecf882735ed7a6a Mon Sep 17 00:00:00 2001
From: Jeremie Juste <jeremiejuste@gmail.com>
Date: Sat, 6 Feb 2021 20:50:00 +0100
Subject: [PATCH] For :results value, return empty string instead of nil
---
lisp/ob-R.el | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lisp/ob-R.el b/lisp/ob-R.el
index f6fa9a417..981f21119 100644
--- a/lisp/ob-R.el
+++ b/lisp/ob-R.el
@@ -349,7 +349,7 @@ Each member of this list is a list with three members:
{
tfile<-tempfile()
write.table(object, file=tfile, sep=\"\\t\",
- na=\"nil\",row.names=%s,col.names=%s,
+ na=\"\",row.names=%s,col.names=%s,
quote=FALSE)
file.rename(tfile,transfer.file)
},
--
2.20.1
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Best regards,
Jeremie
On Saturday, 16 Jan 2021 at 00:19, Berry, Charles" via "General discussions about Org-mode. wrote:
>> On Jan 14, 2021, at 3:42 PM, Brett Presnell <presnell@member.fsf.org> wrote:
>>
>>
>> Probably a silly question, but in ob-R.el, what is the reason for
>> setting na=\"nil\" when defining org-babel-R-write-object-command? Is
>> this an elisp compatibility thing?
>>
>
> I don't get it either. The value corresponding to the NA becomes a string in emacs-lisp whether \"nil\" or \"\" is used.
>
> So when passed to elisp via a :post header referencing an emacs-lisp src block, its treated as a string.
>
>> Regardless, I generally (always?) want na=\"\" for this, so I am finding
>> all those "nil"s very annoying, and the only way that I see to defeat
>> them is to redefine org-babel-R-write-object-command.
>>
>> If there is no reason for the current behavior (doubtful I know) and if
>> I am not missing an obvious work-around, then I would like to suggest
>> changing this behavior. Otherwise, would it be feasible to add an
>> option for R code blocks (:nastring?) where one could specify the NA
>> replacement string?
>>
>> What do you think? It's easy to suggest I know and certainly beyond my
>> elisp coding skills at present, but I am supposing that someone more
>> fluent in elisp could do this safely without too much trouble.
>>
>
> You can use a :post header to customize outputs like this to make them more pleasing. Or just use your own `org-babel-R-write-object-command'.
>
> Adding another header arg qualifies as feature creep and in this case would require non-trivial work to implement.
>
> HTH,
>
> Chuck
>
--
Jeremie Juste
prev parent reply other threads:[~2021-02-06 20:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-14 23:42 na=\"nil\" in ob-R.elo Brett Presnell
2021-01-16 0:19 ` Berry, Charles via General discussions about Org-mode.
2021-01-16 13:35 ` Jeremie Juste
2021-01-17 21:48 ` Brett Presnell
2021-02-06 20:05 ` Jeremie Juste [this message]
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