Read file by chunk size : read « File Directory « 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

Ruby » File Directory » read

Read file by chunk size





class File

  def each_chunk(chunk_size=4)

    yield read(chunk_size) until 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

java2s.com | Contact Us | Privacy Policy

All other trademarks are property of their respective owners.