Thank you very much, Michele! One more question, if you do not mind. If I
do something like this:
f = open("numbers.dat")
a = read(f, Int32)
a = read(f, Int32)
a = read(f, Int32)
then a is different each time. I believe I read something about that you
should use command close() each you opened something. Is this correct?
вторник, 25 октября 2016 г., 23:11:01 UTC+3 пользователь Michele Zaffalon
написал:
>
> You open the file in the correct way. To read the integer, do read(f,
> Int32) followed by read(f, Float64, 1_000_000) to read the million floats.
> See the manual at
> http://docs.julialang.org/en/release-0.5/stdlib/io-network/
>
> On Tue, Oct 25, 2016 at 10:05 PM, Aleksandr Mikheev <al.mik...@gmail.com
> <javascript:>> wrote:
>
>> Hello, sorry if this question have already been asked, but I could not
>> find a similar thread. So, I have a .dat ("numbers.dat") file, which I
>> should open. I believe I should do something like this:
>>
>> f = open("numbers.dat")
>>
>>
>> And after that I tried to read it:
>>
>> readlines(f)
>>
>>
>> However, Julia writes the Error: "UnicodeError: invalid character
>> index". My tutor told me that this is a binary file, so what I need is a
>> binary read, such as fread in C/C++. I tried to read the documentation,
>> tried to google, but still cannot understand what should I do. Also, a
>> quote from my tutor, which can probably help you to understand the problem
>> better: "The first 4 bytes contain an integer (in this case, 1,000,000)
>> and then 1,000,000 floats of 8 bytes each".
>>
>> Thank you in advance!
>>
>
>
