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#!/usr/bin/env python
import sys, os, re
from bup import options
optspec = """
bup newliner
"""
o = options.Options('bup newliner', optspec)
(opt, flags, extra) = o.parse(sys.argv[1:])
if extra:
o.fatal("no arguments expected")
r = re.compile(r'([\r\n])')
lastlen = 0
all = ''
while 1:
l = r.split(all, 1)
if len(l) <= 1:
if len(all) >= 160:
sys.stdout.write('%s\n' % all[:78])
sys.stdout.flush()
all = all[78:]
try:
b = os.read(sys.stdin.fileno(), 4096)
except KeyboardInterrupt:
break
if not b:
break
all += b
else:
assert(len(l) == 3)
(line, splitchar, all) = l
#splitchar = '\n'
sys.stdout.write('%-*s%s' % (lastlen, line, splitchar))
if splitchar == '\r':
lastlen = len(line)
else:
lastlen = 0
sys.stdout.flush()
if lastlen or all:
sys.stdout.write('%-*s\n' % (lastlen, all))
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