Ensure Data Integrity of Objects in Amazon S3
Note that when you modify the Windows system path from a command prompt, the change does not persist when Windows is restarted. If you want to modify the Windows system path environment variable permanently, check the Windows documentation or search the Web for "Change Windows X path variable", substituting your version of Windows for X
After installing the FCIV utility and updating the %path% environment variable with the location of the extracted FCIV utility files, run this command to return the hexadecimal MD5 checksum of the file to be uploaded to S3. Replace c:\S3\testfile with the location of the file you are uploading to S3:
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