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CC-Tweaked/doc/events/file_transfer.md
Jonathan Coates 895bc7721a
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module: [kind=event] file_transfer since: 1.101.0

The @{file_transfer} event is queued when a user drags-and-drops a file on an open computer.

This event contains a single argument of type @{TransferredFiles}, which can be used to @{TransferredFiles.getFiles|get the files to be transferred}. Each file returned is a @{fs.BinaryReadHandle|binary file handle} with an additional @{TransferredFile.getName|getName} method.

Return values

  1. @{string}: The event name
  2. @{TransferredFiles}: The list of transferred files.

Example

Waits for a user to drop files on top of the computer, then prints the list of files and the size of each file.

local _, files = os.pullEvent("file_transfer")
for _, file in ipairs(files.getFiles()) do
  -- Seek to the end of the file to get its size, then go back to the beginning.
  local size = file.seek("end")
  file.seek("set", 0)

  print(file.getName() .. " " .. file.getSize())
end

Example

Save each transferred file to the computer's storage.

local _, files = os.pullEvent("file_transfer")
for _, file in ipairs(files.getFiles()) do
  local handle = fs.open(file.getName(), "wb")
  handle.write(file.readAll())

  handle.close()
  file.close()
end