Binary data test

# Print some binary data using powershell function Format-Hex
[System.Convert]::FromHexString("C0FFEE") | Format-Hex

#   Label: Byte (System.Byte) <6DDAB385>
#
#          Offset Bytes                                           Ascii
#                 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
#          ------ ----------------------------------------------- -----
#0000000000000000 C0 FF EE

#
# Print some binary data using xxd (powershell won't do this correctly)
#
[System.Convert]::FromHexString("C0FFEE") | xxd
# 00000000: 3139 320a 3235 350a 3233 380a            192.255.238.

# Write binary data to file using Set-Content
[System.Convert]::FromHexString("C0FFEE") | Set-Content -AsByteStream ./test.bin

# Data is stored correctly and can be read by xxd
xxd ./test.bin
# 00000000: c0ff ee

# Start-Process RedirectStandardInput also doesn't work as I would expect.
Start-Process xxd -RedirectStandardInput ./test.bin
# 00000000: efbf bdef bfbd 0a                        .......