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Which method of file comparison is faster\ reliable

 
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White_ferret



Joined: 02 Jun 2005
Posts: 2
PostPosted: Thu Jun 02, 2005 6:25 pm    Post subject: Which method of file comparison is faster\ reliable Reply with quote
Which method of file comparison is faster\ reliable time stamp or crc?
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TGRMN Software
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Joined: 10 Jan 2005
Posts: 8769
PostPosted: Thu Jun 02, 2005 11:49 pm    Post subject: Reply with quote
Timestamp comparison method is very fast and reliable.
CRC comparison method is a way to verify that the source and target data are identical, byte by byte. This takes much longer (the entire file needs to be read instead of just the timestamp) but it is a very good method for verifying a data integrity. For instance it can be used for CD, DVD verification against a source or to verify a folder replica byte by byte.
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