 File / Directory Info vs Get File Size bug |
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 Aug 29 2006, 05:04 PM
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 Extremely Active  Premium Member  Posts: 403 Joined: 8-July 05 From: Tullahoma, Tennessee, USA Member No.: 2547 Using LabVIEW Since:2000 LV:8.20 ,7.0 ,8.0.1 
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The attached VI attempts to get the size of a file using two methods. The first is the File / Directory info primitive, the second is the Get File Size primitive. Both should return the same number. When attempting to use this method on files bigger than 2 Gb the File / Directory primitive will not work because it returns an I32 for size. I haven't filed this with NI yet, so no CAR has been created, I wanted to list it here first to let someone else confirm my bug finding. BTW, you must supply your own 2Gb + file...
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Aug 29 2006, 05:04 PM
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Aug 29 2006, 10:20 PM
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#2
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 Very Active Premium Member Posts: 161 Joined: 29-September 04 From: Lachute, Quebec, Canada, Earth, Milky Way... Member No.: 731 Using LabVIEW Since:1995 LV:8.5 ,. ,.
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QUOTE (chrisdavis @ Aug 29 2006, 01:04 PM)  The attached VI attempts to get the size of a file using two methods. The first is the File / Directory info primitive, the second is the Get File Size primitive. Both should return the same number. When attempting to use this method on files bigger than 2 Gb the File / Directory primitive will not work because it returns an I32 for size. I haven't filed this with NI yet, so no CAR has been created, I wanted to list it here first to let someone else confirm my bug finding. BTW, you must supply your own 2Gb + file... Verified. Is it a bug or a feature? I would say a feature that became a bug! Tags
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Sep 6 2006, 08:24 PM
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#3
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Extremely Active Premium Member Posts: 403 Joined: 8-July 05 From: Tullahoma, Tennessee, USA Member No.: 2547 Using LabVIEW Since:2000 LV:8.20 ,7.0 ,8.0.1
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Well, I was wrong about the error being produced with files >2gb, its actually wrong when files are greater than 4gb. I've included screen shots of this error in LV8.0.1 and LV8.2. I've also submitted this to NI and will post a CAR when I get one.
Whats weird is that LV8.2 and LV8.0.1 produce different results with the same large (14gb) file. Chris
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Sep 8 2006, 09:13 PM
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#4
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Extremely Active Premium Member Posts: 403 Joined: 8-July 05 From: Tullahoma, Tennessee, USA Member No.: 2547 Using LabVIEW Since:2000 LV:8.20 ,7.0 ,8.0.1
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This bug has been confirmed by NI. CAR: 417BKAGI. Note, this bug exists in LabVIEW 8 and 8.2. I'm going to cross post to the 8.2 bug list for completeness.
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