Kontron AM4140 U-Boot Bootloader - Manual (Page 25)

AM4140 U-Boot Bootloader U-Boot Usage
ID 1052-0281, Rev. 1.0 Page 25
P R E L I M I N A R Y
USAGE: Check the md5 message digest of a file previously loaded to 100000
with a size of 80000 and its md5 message digest loaded to 10000 in a
script
COMMAND / RESPONSE:
=> setenv check_crc “if md5sum 100000 80000 10000;
then echo ‘md5 message digest OK’; else echo ‘md5
message digest BAD’; fi”
=>run check_crc
md5 message digest OK
=>
md5sum (continued)