How do I read a text file of about 2 GB

Question

I have a  txt file whose memory is more than 2 nbsp GB  The problem is I cannot open it with Notepad  Notepad   or any other editor programs   Any solutions

User · Accepted Answer

Try Glogg   the fast  smart log explorer   I have opened log file of size around 2 GB  and the search is also very fast

User · Answer

For reading and editing  Geany for Windows is another good option  I ve run in to limit issues with Notepad    but not yet with Geany

User · Answer

If you only need to read the file  I can suggest Large Text File Viewer  https   www portablefreeware com  id 693  and also refer this   Text editor to open big  giant  huge  large  text files  else if you would like to make your own tool try this   i presume that you know filestream reader in c   const int kilobyte   1024  const int megabyte   1024   kilobyte  const int gigabyte   1024   megabyte   public void ReadAndProcessLargeFile string theFilename  long whereToStartReading   0        FileStream fileStream   new FileStream theFilename  FileMode Open  FileAccess Read       using  fileStream                byte   buffer   new byte gigabyte           fileStream Seek whereToStartReading  SeekOrigin Begin           int bytesRead   fileStream Read buffer  0  buffer Length           while bytesRead  gt  0                        ProcessChunk buffer  bytesRead               bytesRead   fileStream Read buffer  0  buffer Length                      private void ProcessChunk byte   buffer  int bytesRead           Do the processing here     refer this kindly  http   www codeproject com Questions 543821 ReadplusBytesplusfromplusLargeplusBinaryplusfilepl

User · Answer

I use UltraEdit to edit large files  The maximum size I open with UltraEdit was about 2 5 GB  Also UltraEdit has a good hex editor in comparison to Notepad

User · Answer

EmEditor works quite well for me  It s shareware IIRC but doesn t stop working after the license expires

User · Answer

Instead of loading   reading the complete file  you could use a tool to split the text file in smaller chunks  If you re using Linux  you could just use the split command  see this stackoverflow thread   For Windows  there are several tools available like HJSplit  see this superuser thread

User · Answer

There are quite number of tools available for viewing large files   http   download cnet com Large-Text-File-Viewer 3000-2379 4-90541 html This for instance  However  I was successful with larger files viewing in Visual studio  Thought it took some time to load  it worked

User · Answer

I always use 010 Editor to open huge files  It can handle 2 nbsp GB easily  I was manipulating files with 50 nbsp GB with 010 Editor  -   It s commercial now  but it has a trial version

User · Answer

Try Vim  emacs  has a low maximum buffer size limit if compiled in 32-bit mode   hex tools

User · Answer

WordPad will open any text file no matter the size  However  it has limited capabilities as compared to a text editor

[text-files] How do I read a text file of about 2 GB?

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