[R-SIG-Mac] "¬" in Script Editor

Gruber, Susan sgruber at hsph.harvard.edu
Thu Aug 30 00:06:09 CEST 2012

It's also easy enough to remove that symbol with the built-in  editor in the R GUI.  

Paste the code into a document. Even though that character is invisitble, it is there. In my experience it has been in the first column on each line. 
I copy that character (even though it looks exactly like a blank space) and using the Find command under the Edit menu item  use "replace all" to replace every occurence with a blank. (paste in the character where it says "Find", and type a space where it  says "Replace with:"  Then click the "replace all" button.)


On Aug 29, 2012, at 5:43 PM, David Winsemius wrote:

> On Aug 29, 2012, at 1:13 AM, Brandon Hurr wrote:
>> I've been noticing lately some weirdness in the editor when copying
>> and pasting code.
>> Last night when I was trying to run some code from the ggplot2 mailing
>> list I pasted the code in from gmail. As usual, there were extra line
>> breaks that caused the code to fail.
>> I pasted the code into the script editor to fix the line breaks and
>> then copy/pasted it into R-GUI. I then got a lot more errors than I
>> did previously, all of which were caused by the insertion of an
>> invisible "¬" symbol (a logical not).
>> Here: https://plus.google.com/116319893425910717496/posts/5Yxkk7GFwts
>> is a screen shot.
> I have had similar problems with stuff copied from web postings and generally solve them by pasting first into an editing session with TextWrangler and using it's sanitizing functions, Zap Gremlins, IIRC. I first tried to delete them with TextEdit.app but they proved remarkably persistent.
>> The code in question is from this question:
>> https://groups.google.com/forum/?fromgroups=#!topic/ggplot2/BxSDoDjJgSA
>> ... but this has happened before a few times (I cannot recall when it
>> started, recently... perhaps since installing ML, but maybe before
>> that). If I hit up to input the previous previous command the "¬" are
>> not there and when I search in the editor for this symbol nothing is found.
>> Is there something going on with the editor or the clipboard or ...?
>> Where should I be looking?
>> Brandons-MacBook-Air:~ bhurr$ system_profiler SPSoftwareDataType
>> Software:
> -- 
> David Winsemius, MD
> Alameda, CA, USA
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