WebbA simple example of using dir_string is as follows. File. expand_path ( "ruby", "/usr/bin") #=> "/usr/bin/ruby". A more complex example which also resolves parent directory is as … WebbIn Ruby the easiest way to read data is to use File.read method: data = File.read("lena512.bmp") Or if you need to do more operations on a file you can first open it and then read data from file object: data = nil File.open("lena512.bmp", "r") do file data = file.read end Notice the "r" as a second argument.
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Webb26 juli 2010 · Cool, it works well, but I would like to read x integers at a time. because the files I might read can be pretty large. I also tried to read a binary file in a computer with linux. WebbA utility class for managing temporary files. When you create a Tempfile object, it will create a temporary file with a unique filename. A Tempfile objects behaves just like a File object, and you can perform all the usual file operations on it: reading data, writing data, changing its permissions, etc. starlink internet accessories
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WebbWrite binary file in Ruby; Write binary file from text string that represents hex bytes in Ruby; Ruby Write Hex String To Binary File By Keeping Hex Values; Ruby on Rails: What is the simplest way to write an binary file which is to be get remotely? Read binary file as string in Ruby; Read, edit, and write a text file line-wise using Ruby Webb19 feb. 2024 · RUBY_VERSION # => "2.5.0" require 'tempfile' test_file_path = File. join (Dir. tmpdir, 'delete_me.bin') test_data = (0.. 255). to_a. pack ('C*') File. binwrite … starlink intermittent service