Ruby - Read an arbitrary number of bytes from a file
Introduction
You can choose to read an arbitrary number of bytes from a file into a single variable using read:
Demo
File.open("main.rb") do |f|
puts f.read(6)
end
Result
You can use all these methods on any file, such as binary files.
Related Topic
- Output text file line by line
- Count text file line
- Read whole text file to memory
- Count Text File Characters
- Count characters excluding whitespace
- Counting Words in Text File
- Counting Sentences and Paragraphs in Text file
- Standard Input and Output
- Text Files Reading
- Split file by ,
- Output file byte by type
- Read text file character by character
- Read an I/O stream line by line using gets
- Read entire file into an array, split by lines, using readlines
- Reading text file line by line using each
- Read file in UTF8
- Transcoding from one encoding to another encoding.