Style/FileWrite-20220629233424

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Rubocop challenge!

Style/FileWrite

Safe autocorrect: Yes
✅ The autocorrect a cop does is safe (equivalent) by design.

Description

Overview

Favor File.(bin)write convenience methods.

NOTE: There are different method signatures between File.write (class method)
and File#write (instance method). The following case will be allowed because
static analysis does not know the contents of the splat argument:

[source,ruby]

File.open(filename, 'w') do |f|
f.write(*objects)
end

Examples

## text mode
# bad
File.open(filename, 'w').write(content)
File.open(filename, 'w') do |f|
  f.write(content)
end

# good
File.write(filename, content)

## binary mode
# bad
File.open(filename, 'wb').write(content)
File.open(filename, 'wb') do |f|
  f.write(content)
end

# good
File.binwrite(filename, content)

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