IO wrapper that allows writing a limited amount of data

Methods
N
W
Attributes
[R] limit

Maximum number of bytes that can be written
[R] written

Number of bytes written
Class Public methods
new(io, limit)

Wraps io and allows up to limit bytes to be written

Source: show | on GitHub 

# File lib/rubygems/package/tar_writer.rb, line 31
def initialize(io, limit)
  @io = io
  @limit = limit
  @written = 0
end
Instance Public methods
write(data)

Writes data onto the IO, raising a FileOverflow exception if the number of bytes will be more than limit

Source: show | on GitHub 

# File lib/rubygems/package/tar_writer.rb, line 41
def write(data)
  if data.bytesize + @written > @limit
    raise FileOverflow, "You tried to feed more data than fits in the file."
  end
  @io.write data
  @written += data.bytesize
  data.bytesize
end