Read file by chunk size : read « File Directory « Ruby

Ruby
1. ActiveRecord
2. Array
3. CGI
4. Class
5. Collections
6. Database
7. Date
8. Design Patterns
9. Development
10. File Directory
11. GUI
12. Hash
13. Language Basics
14. Method
15. Network
16. Number
17. Rails
18. Range
19. Reflection
20. Statement
21. String
22. Threads
23. Time
24. Tk
25. Unit Test
26. Windows Platform
27. XML
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
C# / C Sharp
C# / CSharp Tutorial
ASP.Net
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
PHP
Python
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Ruby » File Directory » read 
Read file by chunk size


class File
  def each_chunk(chunk_size=4)
    yield read(chunk_sizeuntil eof?
  end
end


open('pipe_separated_records', 'w'do |f|
  f << "This is record one.|This is record two.|This is record three."
end

open("pipe_separated_records"do |f|
  f.each_chunk(2) { |chunk| puts chunk }
end

 
Related examples in the same category
1. read an arbitrary number of bytes from a file into a single variable using read:
2. Reading the Contents of a File
3. Read 50 characters
www.java2java.com | Contact Us
Copyright 2010 - 2030 Java Source and Support. All rights reserved.
All other trademarks are property of their respective owners.