Level Extreme platform
Subscription
Corporate profile
Products & Services
Support
Legal
Français
How to check two files for record duplication
Message
From
21/06/2010 17:05:07
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivia
 
 
To
21/06/2010 16:45:49
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Environment versions
Visual FoxPro:
VFP 9 SP1
Miscellaneous
Thread ID:
01469886
Message ID:
01470060
Views:
39
>Thanks for the heads up. It is a good point.
>
>After reading your comment I checked Craig Boyd's vfpencryption71.fll library which includes a HASHRECORD() function somewhat similar to SYS(2017) that offers seven secure hash algorithms that go from 16 to 64 *bytes* in length. Good enough for me in this case. I picked 32 bytes in length.
>
>Alex

I assume using the value itself - the concatenation of the key fields - would be too long? (If it is the ENTIRE record you need to compare, then a has makes more sense.)
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
Previous
Reply
Map
View

Click here to load this message in the networking platform