Sotring bytes in array

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Hello,
I would like to retrieve data who is stored in file.dat and fill every byte in a array.
In this file.dat file there are numbers. before each number there is a data.
for example
è(26+# 1280 (555(- 1281

so i want to store the data in my array like this
myarray[0]="0"
myarray[1]="8"
myarray[2]="2"
myarray[3]="1"
myarray[4]=" "
myarray[5]="#"
myarray[6]="+"
...
....

i work with visaul studio 2008 smart device c#

i have no idea, please helpe
Thanks

What I have tried:

Hello,
I would like to retrieve data who is stored in file.dat and fill every byte in a array.
In this file.dat file there are numbers. before each number there is a data.
for example
è(26+# 1280 (555(- 1281

so i want to store the data in my array like this
myarray[0]="0"
myarray[1]="8"
myarray[2]="2"
myarray[3]="1"
myarray[4]=" "
myarray[5]="#"
myarray[6]="+"
...
....

Posted 8-Jun-16 0:44am

Jammes_Ca

Updated 8-Jun-16 4:55am

v2

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VR Karthikeyan 8-Jun-16 6:49am

do you wants to store the number or data or both in array?

Jammes_Ca 8-Jun-16 7:26am

Hello, i want to store the number and the data in the array
thanks

Richard MacCutchan 8-Jun-16 6:49am

You need to parse the data to extract the portions you are interested in. If the data always follows some pattern then it should not be too difficult.

Jammes_Ca 8-Jun-16 7:27am

Hello, i want to store the number and the data in the array. how i didn't understand

TheFoZ 8-Jun-16 7:55am

have you tried just reading the file into a string?

strings are a type of array so you can access any index of a string using myString[x]

Jammes_Ca 8-Jun-16 8:05am

how can i do that, i am a beginer please help me

Richard MacCutchan 8-Jun-16 8:22am

If you just want all bytes in the array then just read the file, or some part of it, directly into it. What exactly is your problem?

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OriginalGriff · Answer 1 · 2016-06-08T02:39:00

Solution 2

The easiest way is to start with a Regex. Assuming that the data is always in the form

<prefix bit><space><number you want>

Then the first task is to extract them as separate "codes":

C#

public static Regex regex = new Regex(
      "[^\\s]+\\s\\d+(\\s|$)",
    RegexOptions.Multiline
    | RegexOptions.Compiled
    );

Should do it.
Then use the regex on the file content:

C#

string dataFromFile = File.ReadAllText(path);
MatchCollection matches = regex.Matches(dataFromFile);
if (ms.Count > 0)
    {
    foreach (Match m in matches)
        {
        string code = m.Value.Trim();
        char[] reversed = code.Reverse().ToArray();
        ...
        }
    }

Posted 8-Jun-16 2:39am

OriginalGriff

Comments

Jammes_Ca 8-Jun-16 8:50am

thanks for the answer, but the big problem is the ReadAllText it's not for compact framwork, this function does't exist on compact framwork :( i did'nt find a way to replace ReadAllText with other function

OriginalGriff 8-Jun-16 8:59am

Then don't use it!
Come on - I assumed the hard part for you would be working out the regex, not reading text from a file! :laugh:

Jammes_Ca 8-Jun-16 9:02am

i did this to read the file
string line;
StreamReader file = new StreamReader(@"\Folder\data.txt");
{
line = file.ReadLine();
textBox1.Text = line;
}
in my textbox i got all the data and how do i convert every char to hexa ???

OriginalGriff 8-Jun-16 9:26am

Put "line" into the code I showed above instead of "dataFromFile", and it'll split out and reverse the characters. After that ... I have no idea what you are supposed to do with it ;)

Jammes_Ca 8-Jun-16 9:50am

thanks, i have another question. my textbox contain this data (''1#'744 "2036 5 42""
how do i do to splite my textbox from 2036 until 1, i wan tjust to keep this 1#'744 "20362
or from 2036 and the 15 elements before this number2036

thanks

OriginalGriff 8-Jun-16 10:10am

I think you need to sit down and work out *exactly* what you data can contain, how it is delivered, and what you need to do with it once you've extracted it - because piecemeal successive approximations to a solution tend to end up a lot messier than they need to be, and harder to understand / modify.
Have a good look at the various bits of data in your file(s) and see if you can identify any pattern(s) before you start trying to code to extract it.

Jammes_Ca 8-Jun-16 10:17am

the data is also stored in the file. for the moment i need to splite a textbox.
my first question i said a file that contain data like this
(''1#'744 "2036 __çèçà-ç---2037 )à""fqsfsd2038 ...etc

now i can get those data and show the to textbox
second step is splite hole data in one data only. for examle if i click on the butum1 i get just this data 1#'744 "2036.
so now i want to splite :)

OriginalGriff 8-Jun-16 10:23am

So is the data always in the same format? I.e. (" then 6 characters, then space, the " followed by four digits? Or is there some variation in there? It's important - any extraction will be fairly "fixed" in what it looks at, so the more you know about the various data bits that can be processed the more likely it is that you can build a system that works for all of them. If you just look at one or two and assume from that, you will get problems later because of values that don't quite match. And your two examples are already very different!

Jammes_Ca 8-Jun-16 10:55am

hi yes i'm sure the dta contain 16 char exemple 1Ã©"rf-7oÃ Ã¨h 2036
hdÃ¨"jvdlÃ©@& 2038

me i show all the data in text box so i need just one
this data 1Ã©"rf-7oÃ Ã¨h 2036

OriginalGriff 8-Jun-16 11:04am

It's not so much what it contains, it's what that data is wrapped in. If it's always just 16 characters, then the simplest solution is just to use a SubString!

Jammes_Ca 8-Jun-16 11:34am

but i have 1000 data like this, so ho do i use substring ? please
my idea is to finde the number 2036 and after i grabe all the chracter befo the 2016, i count 12. but idon't know how to do it

OriginalGriff 8-Jun-16 11:48am

If it's always 2036 then that would be easy! :laugh: But...it isn't. It's four digits!
Have a try with the code above, but with this regex:
\{11}\s\d{4}(\s|$)
That says: 11 characters, a whitespace, four digits, then a whitespace or end of line/string
If that does it...it may work for all your examples.

Jammes_Ca 8-Jun-16 12:28pm

i told that it did'nt work because in compact framwork <pre lang="C#">File.ReadAllText</pre> it doesn't exist.
:( but i show all the data in the textbox using this code
string line;
StreamReader file = new StreamReader(@"\Folder\data.txt");
{
line = file.ReadLine();
textBox1.Text = line;
}

OriginalGriff 8-Jun-16 13:56pm

You do realize that development is an area where you will always have to think, to make changes; that you will never find code that will exactly fit your need without you changing it, or the way it is called in some way?
You have all the bits you need - just think about them for a few minutes instead of expecting to be given exactly what you want.

Jammes_Ca 8-Jun-16 15:25pm

thanks for your advise, but what i want is to splite the data please help