smartctl 6.6 2017-11-05 r4594 [x86_64-w64-mingw32-w10-b22631] (sf-6.6-1)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org

ERROR: smartctl takes ONE device name as the final command-line argument.
You have provided 2 device names:
/dev/sda
20\AppData\Local\Temp\SMART.txt

Use smartctl -h to get a usage summary

smartctl 6.6 2017-11-05 r4594 [x86_64-w64-mingw32-w10-b22631] (sf-6.6-1)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org

ERROR: smartctl takes ONE device name as the final command-line argument.
You have provided 2 device names:
/dev/sdb
20\AppData\Local\Temp\SMART.txt

Use smartctl -h to get a usage summary

smartctl 6.6 2017-11-05 r4594 [x86_64-w64-mingw32-w10-b22631] (sf-6.6-1)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org

ERROR: smartctl takes ONE device name as the final command-line argument.
You have provided 2 device names:
/dev/sda
20\AppData\Local\Temp\SMART.txt

Use smartctl -h to get a usage summary

smartctl 6.6 2017-11-05 r4594 [x86_64-w64-mingw32-w10-b22631] (sf-6.6-1)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org

ERROR: smartctl takes ONE device name as the final command-line argument.
You have provided 2 device names:
/dev/sdb
20\AppData\Local\Temp\SMART.txt

Use smartctl -h to get a usage summary