类Linux的dd工具 cstream

引用:

cstream by Martin Cracauer - version 3.0.0
-V = print version number to stdout and exit with 0
-v = verbose [default: off]
0 = nothing
1 = report bytes transferred and throughput
2 = also throughput after first read/write
3 = also seperate throughput for read and write (unimplemented)
3 = verbose stats on every read/write
-b = blocksize [default: 8192]
-B = buffer (at most) bytes [default: one block]
-c = Concurrency, writing done by a seperate process
0 = no concurrency, one one process
1 = read side buffers
2 = write side buffers
3 = both sides buffer, -B amount of data will be transferred at once
-n = overall size of data [default: unlimited]
-t = throughput in bytes/sec [default: unlimited]
if positive, bandwith is average over whole session.
if negative, every write is delayed to not excceed.
-i = name of input file, - = generate stream yourself
to use stdin, use -i ''
-o = name of output file, - = just sink data
to use stdout, -o ''
-I = Type of input file
-O = Type of ouput file
'f' = fifo (create it)
'a' = set audio modes on file (i.e. CD quality)
'N' = don't use TCP even if filename has ':'
't' = tee - in addition to outfile, copy stream to fd 3
'D' = O_DIRECT
'S' = O_SYNC
[Multiple chars allowed]
-p = Write pid as ascii integer to file
-l include line count in statistics
-w = Set write block size (-c 5 only)
-S Don't output statistic on SIGINFO
-T = Report throughput every seconds
SIGINFO causes statistics to be written to stderr
SIGUSR1 causes statistics to be written to stderr
SIGUSR2 causes loop end after next buffer transfer
if -i has not been used, specifies input file
-6 Use IPV6: -1 = don't, 1 = allow both, 2 = force v6
On some platforms server mode 1 forces ipv6, as
they don't open both v4 and v6 ports from one bind call.