On 24/01/2010 2:12 PM, jim holtman wrote:
If you are using readBin and want to read binary (and not 'character')
data, then use 'raw' which will return a value if it encounters a
binary zero and not think it is the end of a character string.
I'm not sure I understand what you mean by reading b
On 24/01/2010 12:15 PM, Henrik Bengtsson wrote:
On Sun, Jan 24, 2010 at 3:56 AM, Duncan Murdoch wrote:
On 23/01/2010 10:40 PM, rn00b wrote:
I am using readBin to continuously read characters from the binary file.
I'm
trying to figure out how many characters are in the file. What I would
like
t
If you are using readBin and want to read binary (and not 'character')
data, then use 'raw' which will return a value if it encounters a
binary zero and not think it is the end of a character string. It is
easy enough to setup a test file and try out a couple of the options
to see what happen. No
On Sun, Jan 24, 2010 at 3:56 AM, Duncan Murdoch wrote:
> On 23/01/2010 10:40 PM, rn00b wrote:
>>
>> I am using readBin to continuously read characters from the binary file.
>> I'm
>> trying to figure out how many characters are in the file. What I would
>> like
>> to do is something like
>> (while
On 23/01/2010 10:40 PM, rn00b wrote:
I am using readBin to continuously read characters from the binary file. I'm
trying to figure out how many characters are in the file. What I would like
to do is something like
(while! EOF)
{
charRead <-.Internal(readBin(con,"character",1L,NA,TRUE,swap))
i++
}
Are you really trying to read in binary? You are asking for
characters which would be a null terminated string. If you are trying
to read in binary zeroes, this will not work. What you need to do is
to use 'raw'. Actually you should create a R script to test out the
various conditions you want.
I am using readBin to continuously read characters from the binary file. I'm
trying to figure out how many characters are in the file. What I would like
to do is something like
(while! EOF)
{
charRead <-.Internal(readBin(con,"character",1L,NA,TRUE,swap))
i++
}
I'm not clear on how to determine th
If you are reading a 'binary' file, then the end of file is when you
read the last byte; the system will tell you. Exactly what are you
trying do to? When you do a read, you typically request the number of
bytes to read and then the system returns the number of bytes read.
But since you did not g
Hello,
I'm new to R and I'm writing a function to read binary tables (the binary
version of read.table essentially). I'm having trouble figuring out how to
determine when I reach end-of-file. Can anybody please help?
thanks!
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