WinRAR打开提示：不可预料的压缩文件末端
用Bandzip打开提示：文件已损坏
用7Zip打开虽然不报错，但是发现文件缺失。
开始以为是网络问题导致下载文件不全，但是对比文件大小发现一模一样。通过查看sz命令说明，解决办法为：下载的时候需要加上 -be参数，明确指定下载的是二进制文件。
[root@emr-header-1 mdm]# sz --help sz version 0.12.20 Usage: sz [options] file ... or: sz [options] -{c|i} COMMAND Send file(s) with ZMODEM/YMODEM/XMODEM protocol (X) = option applies to XMODEM only (Y) = option applies to YMODEM only (Z) = option applies to ZMODEM only -+, --append append to existing destination file (Z) -2, --twostop use 2 stop bits -4, --try-4k go up to 4K blocksize --start-4k start with 4K blocksize (doesn't try 8) -8, --try-8k go up to 8K blocksize --start-8k start with 8K blocksize -a, --ascii ASCII transfer (change CR/LF to LF) -b, --binary binary transfer -B, --bufsize N buffer N bytes (N==auto: buffer whole file) -c, --command COMMAND execute remote command COMMAND (Z) -C, --command-tries N try N times to execute a command (Z) -d, --dot-to-slash change '.' to '/' in pathnames (Y/Z) --delay-startup N sleep N seconds before doing anything -e, --escape escape all control characters (Z) -E, --rename force receiver to rename files it already has -f, --full-path send full pathname (Y/Z) -i, --immediate-command CMD send remote CMD, return immediately (Z) -h, --help print this usage message -k, --1k send 1024 byte packets (X) -L, --packetlen N limit subpacket length to N bytes (Z) -l, --framelen N limit frame length to N bytes (l>=L) (Z) -m, --min-bps N stop transmission if BPS below N -M, --min-bps-time N for at least N seconds (default: 120) -n, --newer send file if source newer (Z) -N, --newer-or-longer send file if source newer or longer (Z) -o, --16-bit-crc use 16 bit CRC instead of 32 bit CRC (Z) -O, --disable-timeouts disable timeout code, wait forever -p, --protect protect existing destination file (Z) -r, --resume resume interrupted file transfer (Z) -R, --restricted restricted, more secure mode -q, --quiet quiet (no progress reports) -s, --stop-at {HH:MM|+N} stop transmission at HH:MM or in N seconds --tcp build a TCP connection to transmit files --tcp-server open socket, wait for connection -u, --unlink unlink file after transmission -U, --unrestrict turn off restricted mode (if allowed to) -v, --verbose be verbose, provide debugging information -w, --windowsize N Window is N bytes (Z) -X, --xmodem use XMODEM protocol -y, --overwrite overwrite existing files -Y, --overwrite-or-skip overwrite existing files, else skip --ymodem use YMODEM protocol -Z, --zmodem use ZMODEM protocol