text
stringlengths 0
99.6k
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the next pathname.
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Transmission of a null pathname terminates batch file transmission.
|
Note that transmission of no files is not necessarily an error. This is
|
possible if none of the files requested of the sender could be opened for
|
reading.
|
__________
|
4. If, perchance, this information extends beyond 128 bytes (possible
|
with Unix 4.2 BSD extended file names), the block should be sent as a
|
1k block as described above.
|
Chapter 5 XMODEM Protocol Enhancements
|
X/YMODEM Protocol Reference 10-27-87 15
|
The YMODEM receiver requests CRC-16 by default.
|
The Unix programs sz(1) and rz(1) included in the source code file
|
RZSZ.ZOO should answer other questions about YMODEM batch protocol.
|
Figure 3. YMODEM Batch Transmission Session
|
SENDER RECEIVER
|
"sb foo.*<CR>"
|
"sending in batch mode etc."
|
C (command:rb)
|
SOH 00 FF foo.c NUL[123] CRC CRC
|
ACK
|
C
|
SOH 01 FE Data[128] CRC CRC
|
ACK
|
SOH 03 FC Data[128] CRC CRC
|
ACK
|
SOH 04 FB Data[100] CPMEOF[28] CRC CRC
|
ACK
|
EOT
|
NAK
|
EOT
|
ACK
|
C
|
SOH 00 FF NUL[128] CRC CRC
|
ACK
|
Figure 4. YMODEM Batch Transmission Session-1k Blocks
|
SENDER RECEIVER
|
"sb -k foo.*<CR>"
|
"sending in batch mode etc."
|
C (command:rb)
|
SOH 00 FF foo.c NUL[123] CRC CRC
|
ACK
|
C
|
STX 02 FD Data[1024] CRC CRC
|
ACK
|
SOH 03 FC Data[128] CRC CRC
|
ACK
|
SOH 04 FB Data[100] CPMEOF[28] CRC CRC
|
ACK
|
EOT
|
NAK
|
EOT
|
ACK
|
C
|
SOH 00 FF NUL[128] CRC CRC
|
ACK
|
Chapter 5 XMODEM Protocol Enhancements
|
X/YMODEM Protocol Reference 10-27-87 16
|
Figure 5. YMODEM Filename block transmitted by sz
|
-rw-r--r-- 6347 Jun 17 1984 20:34 bbcsched.txt
|
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