class method

FileUtils.copy_file

(::FileUtils::path src, ::FileUtils::path dest, ?::boolish preserve, ?::boolish dereference) -> void

copy_file(src, dest, preserve = false, dereference = true)

# File tmp/rubies/ruby-4.0.0/lib/fileutils.rb, line 1073
def copy_file(src, dest, preserve = false, dereference = true)
  ent = Entry_.new(src, nil, dereference)
  ent.copy_file dest
  ent.copy_metadata dest if preserve
end

Copies file from src to dest, which should not be directories.

Arguments src and dest should be interpretable as paths.

Examples:

Example

FileUtils.touch('src0.txt')
FileUtils.copy_file('src0.txt', 'dest0.txt')
File.file?('dest0.txt') # => true

Optional arguments:

dereference - if src is a symbolic link, follows the link (true by default).
preserve - preserves file times (false by default).
remove_destination - removes dest before copying files (false by default).

Related: methods for copying.

See also #copy_file .copy_entry .copy_stream .copy also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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