Sha256: 8a0fe4822d40f92aa0f0bbf3250d240216d4ec788d345ed3c6d0c36a613becb8
Contents?: true
Size: 862 Bytes
Versions: 15
Compression:
Stored size: 862 Bytes
Contents
module Beefcake
class Buffer
def initialize(buf='')
if buf.respond_to?(:force_encoding)
self.buf = buf.force_encoding('BINARY')
else
self.buf = buf
end
end
def append_string(s)
append_uint64(s.length)
if s.respond_to?(:force_encoding)
self << s.force_encoding('BINARY')
else
self << s
end
end
alias :append_bytes :append_string
end
end
class File
def tail(n)
buffer = 1024
idx = (size - buffer).abs
chunks = []
lines = 0
begin
seek(idx)
chunk = read(buffer)
lines += chunk.count("\n")
chunks.unshift chunk
idx -= buffer
end while lines < ( n + 1 ) && pos != 0
tail_of_file = chunks.join('')
ary = tail_of_file.split(/\n/)
lines_to_return = ary[ ary.size - n, ary.size - 1 ]
end
end
Version data entries
15 entries across 15 versions & 1 rubygems