Compare the binary file

Similar Questions

• The binary file format

  With the help of LV2010.  I have a program that stores data in a binary file.  The file is a set of strings and floating point values.  I need to write another program in VB.NET that can save/read these files, so I need information on the actual file format of the data.  Is there a documentation which describes how the file is saved?  Thank you.

  Interesting. Usually, this question gets asked in the opposite direction with people trying to decode in a cluster.

  If you use the WriteToBinary function, your data are written as native data types in order to cluster in the binary file. Because you use a cluster, each string is being preceded by a length, which I believe is an I32.

  This is described in the help file for writing to a binary file. I think the people of thing travel length of string/array much however.

• Adds data to the binary file as concatenated array

  Hello

  I have a problem that can has been discussed several times, but I don't have a clear answer.

  Normally I have devices that produce 2D image tables. I have send them to collection of loop with a queue and then index in the form of a 3D Board and in the end save the binary file.

  It works very well. But I'm starting to struggle with problems of memory, when the number of these images exceeds more than that. 2000.

  So I try to enjoy the fast SSD drive and record images in bulk (eg. 300) in binary file.

  In the diagram attached, where I am simulating the camera with some files before reading. The program works well, but when I try to open the new file in the secondary schema, I see only the first 300 images (in this case).

  I read on the forum, I have to adjust the number of like -1 in reading binary file and then I can read data from the cluster of tables. It is not very good for me, because I need to work with the data with Matlab and I would like to have the same format as before (for example table 3D - 320 x 240 x 4000). Is it possible to add 3D table to the existing as concatenated file?

  I hope it makes sense :-)

  Thank you

  Honza

  • Good to simulate the creation of the Image using a table of random numbers 2D!  Always good to model the real problem (e/s files) without "complicating details" (manipulation of the camera).
  • Good use of the producer/consumer in LT_Save.  Do you know the sentinels?  You only need a single queue, the queue of data, sending to a table of data for the consumer.  When the producer quits (because the stop button is pushed), it places an empty array (you can just right click on the entry for the item and choose "Create Constant").  In the consumer, when you dequeue, test to see if you have an empty array.  If you do, stop the loop of consumption and the output queue (since you know that the producer has already stopped and you have stopped, too).
  • I'm not sure what you're trying to do in the File_Read_3D routine, but I'll tell you 'it's fake  So, let's analyze the situation.  Somehow, your two routines form a producer/consumer 'pair' - LT_Save 'product' a file of tables 3D (for most of 300 pages, unless it's the grand finale of data) and file_read_3D "consume" them and "do something", still somewhat ill-defined.  Yes you pourrait (and perhaps should) merge these two routines in a unique "Simulator".  Here's what I mean:

  

  This is taken directly from your code.  I replaced the button 'stop' queue with code of Sentinel (which I won't), and added a ' tail ', Sim file, to simulate writing these data in a file (it also use a sentinel).

  Your existing code of producer puts unique 2D arrays in the queue of data.  This routine their fate and "builds" up to 300 of them at a time before 'doing something with them', in your code, writing to a file, here, this simulation by writing to a queue of 3D Sim file.  Let's look at the first 'easy' case, where we get all of the 300 items.  The loop For ends, turning a 3D Board composed of 300 paintings 2D, we simply enqueue in our Sim file, our simulated.  You may notice that there is an empty array? function (which, in this case, is never true, always False) whose value is reversed (to be always true) and connected to a conditional indexation Tunnel Terminal.  The reason for this strange logic will become clear in the next paragraph.

  Now consider what happens when you press the button stop then your left (not shown) producer.  As we use sentries, he places an empty 2D array.  Well, we dequeue it and detect it with the 'Empty table?' feature, which allows us to do three things: stop at the beginning of the loop, stop adding the empty table at the exit Tunnel of indexing using the conditional Terminal (empty array = True, Negate changes to False, then the empty table is not added to the range) , and it also cause all loop to exit.  What happens when get out us the whole loop?  Well, we're done with the queue of data, to set free us.  We know also that we queued last 'good' data in the queue of the Sim queue, so create us a Sentinel (empty 3D table) and queue for the file to-be-developed Sim consumer loop.

  Now, here is where you come from it.  Write this final consumer loop.  Should be pretty simple - you Dequeue, and if you don't have a table empty 3D, you do the following:

  • Your table consists of Images 2D N (up to 300).  In a single loop, extract you each image and do what you want to do with it (view, save to file, etc.).  Note that if you write a sub - VI, called "process an Image" which takes a 2D array and done something with it, you will be "declutter" your code by "in order to hide the details.
  • If you don't have you had an empty array, you simply exit the while loop and release the queue of the Sim file.

  OK, now translate this file.  You're offshore for a good start by writing your file with the size of the table headers, which means that if you read a file into a 3D chart, you will have a 3D Board (as you did in the consumer of the Sim file) and can perform the same treatment as above.  All you have to worry is the Sentinel - how do you know when you have reached the end of the file?  I'm sure you can understand this, if you do not already know...

  Bob Schor

  PS - you should know that the code snippet I posted is not 'properly' born both everything.  I pasted in fact about 6 versions here, as I continued to find errors that I wrote the description of yourself (like forgetting the function 'No' in the conditional terminal).  This illustrates the virtue of written Documentation-"slow you down", did you examine your code, and say you "Oops, I forgot to...» »

• How can I have the binary file for BIOS for HP G62-b53SE?

  Hello

  How can I have the binary file for BIOS for HP G62-b53SE?

  My bios of the laptop is damaged and I need the BIOS file in binary mode

  Help me please

  Thank you.

  [email protected]

  Ilmaz wrote:

  Hello

  How can I have the binary file for BIOS for HP G62-b53SE?

  My bios of the laptop is damaged and I need the BIOS file in binary mode

  Help me please

  Thank you.

  [email protected]

  Hello

  Download the BIOS.exe file from here: http://ftp.hp.com/pub/softpaq/sp55001-55500/sp55430.exe

  Then rename it to sp55430.zip or simply extract the exe using WinRAR. The binary file is called: 01439.fd. Rename it to 01439.bin if you need...

• How to determine the size of the binary file data set

  Hi all

  I write specific sets of data in table in a binary file, by adding each time so the file grows a set of data for each write operation.  I use the set file position function to make sure that I'm at the end of the file each time.

  When I read the file, I want to read only the last 25 data sets (or numbers).  To do this, I thought using the position set file to set the file position where it was 25 sets of data from the end.  Math easy, right?  Apparently not.

  Well, as I was collecting data file size as I began the initial tet run, I find the size of the file (using file order size and get number of bytes so) as the size increases the same amount every time.  My size and the format of my data being written is the same every time, a series of four numbers double precision.

  I get increments are as follows, after the first write - 44 bytes, after 2nd - 52 bytes, 3 - 52 bytes, bytes 44 4th, 5th - 52 bytes, 6 - 52 bytes, 7th - 44 bytes and it seems to continue this trend in the future.

  Why each write operation would be identical in size of bytes.  This means that my basic math for the determination of the poistion of correct file to read only the last 25 sets of data won't be easy, and if somewhere along the line after I've accumulated hundreds or thousands of data sets, what happens if the model changes.

  Any help on why this occurs or on a working method, all about the problem would be much appreciated.

  Thank you

  Doug

  
  

• space the binary file for reading as 0x00 0x20

  Trying to read from a binary file that contains values hexa% point floating in single precision. With the help of the service binary file reading and store values in an array. The problem is that LabVIEW reads the null character (0x00) as a space (0x20) character. For example, reading in 3F800000 which is 1.0 floating-point. The output in LabVIEW reads 1.00098 (rounded by LabVIEW), or a hexadecimal value of 3F80201C. No rounded hexadecimal value must be 3F802020 for this number. Is this a known problem and are there solutions? I am attaching a jpeg file of my diagram as well as binary data. I could not download a .bin file then I saved as .txt. Thanks in advance.

  
  

• How to ensure that the binary file is stored in the location specified for my DLL files?

  I'm new to computers and has a Dell Inspiron 1545 laptop with a program in Windows Vista Home Premium on a 64-bit platform. I have a thread in my sidebar gadget new MSNBC and the dates for the stories are frozen in December of last year and does not update the current stories. I had no problem with this before and I haven't added or deleted programs because of this problem to the best of my knowledge. I got advice here on the checking of dll files and 4 of them come back with saying error messages and see that the binary is stored at the specified location for debug files. I searched for information help with this and I found a few tips that not saved and re-entered the files, I tried and different versions of the idea, at first it made no difference and then I redid it and it screwed up my weather gadgets so I redid it and they worked very well. I then tried on the DLLs for the MSNBC gadget, but it doesn't seem to change anything, although the gadget to power for the Dow Jones News feed is now screwed up. Is there a site I can go to what can explain the route of binary/specified path or debug file. Save/re seems to be the right path, it affects obviously the gadgets but not as I want, any help in this direction would be appreciated at. Meanwhile I'll go back and try again.

  Hi dumdeedumdum

  
  What are the files dll are facing problems with?

   

  You can perform a SFC scan and check if the problem is resolved.
  To Perform a Scan SFC -
  a. click Start, click programs, on Accessoriesprincipally made, right click guestand then click run as administrator. If you are prompted for an administrator password or a confirmation, type the password, or click on Allow.
  b. type the following command and press ENTER:
  sfc/scannow
  A message appears indicating that "the system scan will start. Be patient because the scan can take some time.
  c. If all files require a SFC replace will replace them. You may be asked to insert your Win7 DVD for this process to continue.
  d. If everything is correct you should, after the scan, see the following message "resource protection Windows not found any breach of integrity".
  e. once the scan is finished, close the command prompt window, restart the computer and check.

  Check the link below for further guidance on scan SFC - mentioned
  http://support.Microsoft.com/kb/929833

  I hope this helps.

• CEP - read the binary file (png) and download with $.ajax

  Hi all

  I'm trying to create the POST request with extension PRC binary image

  I read the PNG file under

  fileContents var = window.cep.fs.readFile (fileData.files [f], cep.encoding.Base64);

  Then I need to create the object with that content converted to binary Blob data (?), but I always

  Error: InvalidCharacter

  Error: Exception of DOM 5

  Please notify

  found the solution

  Use the function base64DecToArr to mozilla foundation

  https://Gehrcke.de/files/perm/blog/2015/jsDecode/test.html

• problem comparing the 2 files reliable?

  Hi, I have to check two files if the contents of the two files are the same or not? The thing is the file is located on a server and when I download a second file I have to check if this file already exists on the server? If I have to download the second file on the server and check the contents of the two files there is a problem. the problem is if two files are identical, then download the second file is useless. so the approach I took was to compare the amounts of the two files but then sometimes the checksum is the same even when two content of the file is not the same so is possible to treat this situation with no probability of error.
  
  Published by: Denis on 11 March 2013 23:34

  >
  The only question is why it converts the hash in hexadecimal value? is it necessary?
  >
  Necessary? No - but the 'digest' method returns an array of bytes and outside Java which is not very useful.

          // get the hash value as byte array
          byte[] hash = algorithm.digest();
  

  The 'normal' use is to provide the digest as a hexadecimal string value. If you download files from the web, a lot of times they will provide a digest (MD5 or SHA1), you can use to check that the downloaded file was not damaged and that it is, in fact, the correct file. These sites provide the digest as a hexadecimal string value. That makes it easy to cut & paste in order to compare it with another value.

  In addition, copy the following code the 'calculateHashMessageDigest' method is declared to return a string

      public static String calculateHash(MessageDigest algorithm,
  

  With the digest as a hexadecimal string value makes it easier to manipulate.

• By comparing the differences files

  This question has been posted in response to the following article: http://help.Adobe.com/en_US/Dreamweaver/CS/using/WSc78c5058ca073340dcda9110b1f693f21-7edda .html

  I don't know about the use of FileMerge.app, but compare the file works with TextWrangler twdiff Mountain Lion.

  The location is HD:usr:local:bin:twdiff Macintosh.

  TextWrangler is a free text editor and the "little brother" of BBEdit. It can be obtained from http://www.barebones.com/products/TextWrangler/.

• File.Read () fails with the binary file

  It's annoying me like I thought it would be trivial (and according to the docs, quite possible).

  I open a tiff file, and I'm reading all data.  I put binary encoding after opening.heres my simple code:

  var file is File.openDialog ("select the file");. leader. Open ("r"); leader. Encoding = "binary"; Alert (file. Read());

  I use this file:

  https://area51.d4creative.com/cgi-bin/fastLink.cgi?LinkId=922 & starts 5162 = & keycode = 9tlpQ3dS

  my alert box says: MM if I open this file in a text editor, there is more data after MM.  What is the problem?  Extendscript really not correctly read binary data despite demand of textbooks he can?

  Mike Cardeiro

  If I do this way:

  {
  var myFile = File.openDialog ("Select binary file.");
  myFile.open ("r");
  myFile.encoding = "BINARY";

  var myChar, myByte;
  var i = 0;
  s = "";
  While (! myFile.eof) {}
  myChar = myFile.readch ();
  myByte = myChar.charCodeAt (0) m:System.NET.SocketAddress.ToString (16);
  If (myByte.length< 2)="" mybyte="0" +="">
  s += myByte + "";
  If (I %16 == 15) s += "\r";
  i ++ ;
  }
  myFile.close ();
  $.writeln (s);
  }

  That's what I get:

  2A of the 4 d 4 d 00 00 00 00 08 00 00 00 04 00 00 fe 0c
  00 01 00 00 00 00 01 00 00 03 00 00 00 01 00 04
  01 00 00 01 00 03 00 00 00 01 00 04 00 00 01 02
  00 03 00 00 00 03 00 00 00 9th 01 03 00 03 00 00
  00 01 00 01 00 00 01 06 00 03 00 00 00 01 00 02
  00 00 01 11 00 04 00 00 00 01 00 00 00 01 15 bc
  03 00 00 00 00 01 00 03 00 00 01 16 00 03 00 00
  00 01 00 04 00 00 01 17 00 04 00 00 00 01 00 00
  01 30 00 1 C 00 03 00 00 00 01 00 01 00 00 86 49
  00 01 00 00 00 18 00 00 00 00 00 00 00 00 08 a4
  00 08 00 08 38 42 49 4 d 04 28 00 00 00 00 00 0c
  00 00 00 01 00 00 00 00 00 00 3f f0 ff ff ff ff
  FF ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
  FF ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
  FF ff ff ff ff ff ff ff ff ff ff ff

  Dan

• Analysis of the binary file when writing of a 2D array

  Hi all

  My buddy and I write a program to write a matrix 2D of numbers in a file. The first 32 bits are a number of seconds, the second 32-bit are a number of microseconds, and the remaining data is stored as 8-bit unsigned integers that come from the table.

  My partner is written a program to analyze the data and has so far only been able. My question is: what, broadly speaking, the way in which the data is written? Is it just 32-bit + 32 bit + 8 + 8 and so on?

  I have provided the VI in case there are questions.

  What is the point of the loop FOR? You can remove it and nothing will change. (The 2D tables are stored in the apartment. There is no "line delimiter' or similar)

  Why do you set the pointer to file at the end? Since you "replace or create", which seems illogical and unnecessary. Simply omit this feature.

  AlecSt wrote:

  My question is: what, broadly speaking, the way in which the data is written? Is it just 32-bit + 32 bit + 8 + 8 and so on?

  Yes.

  AlecSt wrote:

  My partner is written a program to analyze the data and has so far only been able.

  You try to play using LabVIEW or another program?

• compare the text file to test the system

  Hi there everyone,

  can someone help me please.

  I have already created the Subvi.

  He already did what I wanted.

  It's the only way I know how.

  BUT...

  I need another way to do before having a new system. I'll have to change the code. I want to just edit a file text if possible. its easier to document rather than changing the code.

  Here's what I have...

  
  

• I made Soft DPS only for iPad (it s in the appStore), now I need this app for iPad and iPhone, do I need to rebuild and to send the binary file again?

  Thank´s

  Yes.

  Neil

• How to compress the data in binary file?

  See some games compressed into bin files and a program to extract these files, I don't know how to compress the game binary form files. I'm not a programmer not so no knowledge of coding, if you can tell me a software suitable for this sick work be grateful.

  I want to compress my games strongly and I noticed this binary format a high compression rate, so I want to compress my files in binary format using a program and extract them easily when necessary.

  Hello

  It doesn't really matter for good compression which is the output format, what matters is the method of compression used to compress.

  I tried some of them and the best compression I've seen is called LZMA2, it practically reduces a file size at least 10 times.

  What you can do to use this compression method is to download and install 7zip free http://www.7-zip.org/

  try to compress the original file (use to create the binary file with the extension BIN) with LZMA2 METHOD ULTRA (it's what we call in 7zip) and then compare the output with the binary size and you should see it is almost the same if they aren't better...

  How ever compression takes awhile.