[R] .Rdata not loading

[Bill Dunlap]

And a fourth thing to do:

* dput(tail(n=20, readBin(".RData", what=raw(), n=file.size(".RData"))))

This can show if the file got truncated.

-Bill

On Thu, Dec 23, 2021 at 5:25 PM Bill Dunlap <williamwdunlap using gmail.com>
wrote:

> Three things you might try using R (and show the results in this email
> thread):
>
> * load(verbose=TRUE, ".RData") # see how far it gets before stopping
> * file.info(normalizePath(".RData")) # is this the file you think it is?
> * dput(readBin(".RData", what=raw(), n=100))
>
> The last will print some hex numbers that others may be able to
> interpret.  E.g., it may show that this .RData is not from a call to save()
> or save.image().
>
> -Bill
>
> On Thu, Dec 23, 2021 at 11:19 AM Rich Shepard <rshepard using appl-ecosys.com>
> wrote:
>
>> Each time I finish with a session I save the image. Today the saved image
>> did not load and manually running 'load('.RData') fails:
>> > load('.RData')
>> Error in load(".RData") :
>>    ReadItem: unknown type 0, perhaps written by later version of R
>> >
>>
>> This has not happened before.
>>
>> Installed is R-4.1.2-x86_64-1_SBo and in the PWD I see:
>> $ ll .RData*
>> -rw-r--r-- 1 rshepard users 28074080 Dec 22 15:32 .RData
>> -rw-r--r-- 1 rshepard users      134 Nov  4 14:57 .RDataTmp
>> -rw-r--r-- 1 rshepard users        0 Nov  4 14:57 .RDataTmp1
>>
>> What might be keeping .RData from loading? Is there a maximum size for
>> .RData? The /home partition has 270G available space so that's not
>> limiting.
>>
>> How do I load it?
>>
>> TIA,
>>
>> Rich
>>
>> ______________________________________________
>> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>

	[[alternative HTML version deleted]]