 test string to be checksum32ed'
checksum32 crc str

; Display checksum32 result asHEX
sprintf '0x%08X' crc
messagebox inputstr 'checksum32 = '

checksum32file crc 'foo.bin'
if result = -1 then
    messagebox 'file open error' 'checksum32 = '
else
    sprintf '0x%08X' crc
    messagebox inputstr 'checksum32 = '
endif
</pre>

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