[R-SIG-Mac] Very long wait opening certain *.R files, Mac R 2.5.0

[Rob J Goedman]

Matt,

Try opening the files with syntax coloring disabled (in the editor  
preferences).

Rob


On Jun 28, 2007, at 8:10 AM, Douglas Bates wrote:

> On 6/28/07, Matthew Keller <mckellercran at gmail.com> wrote:
>> Hi all,
>>
>> I'm a recent convert, still trying to get used to this new OS. I  
>> use R
>> everyday for my work.
>>
>> I have a new Intel MacBook Pro, and installed R 2.5.0. Using the GUI,
>> when I try to open a large *.R script (from File -> Open or by double
>> clicking the file), it takes about 1-2 minutes to open. The script is
>> about 3000 lines long and there are very long and nested loops in it.
>> Files that are shorter open increasingly quickly, so this behavior
>> seems to be a function of script length. Still, it takes a text  
>> editor
>> less than a second to open the 3000 lines long file.
>>
>> Does anyone have any ideas on what might be causing this? Does the  
>> Mac
>> version of R run some kind of code automatically when script files  
>> are
>> opened? Thanks in advance...
>
> Perhaps Simon inserted code in the GUI to cause the delay, as a subtle
> hint that 3000 line R scripts with very long and nested loops are to
> be discouraged.  :-)
>
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