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Determine if ISO will fit on DVD+R?


Sizzlechest

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Is there an algorithm I can use to determine if the contents of an ISO file will fit on a DVD+R? Checking the overall file size would be easy, but I do worry about edge cases where it's borderline. Are there any existing utilities that do this from the command line?

Edited by Sizzlechest
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Also, why not just load the ISO in ImgBurn?  It should surely tell you if the ISO won't fit the DVD+R you have inserted into your drive.  It should either deny it or ask if you want to overburn it, which would tell you it won't fit on the DVD+R at its current size without overburn.  So, it's, at least, slightly larger than the DVD+R size.

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Also, why not just load the ISO in ImgBurn?  It should surely tell you if the ISO won't fit the DVD+R you have inserted into your drive.  It should either deny it or ask if you want to overburn it, which would tell you it won't fit on the DVD+R at its current size without overburn.  So, it's, at least, slightly larger than the DVD+R size.

 

Because I am scripting a dvd robot handler and I want to check the iso so I can load the correct disc (DVD-R vs DVD+R DL) into the burner.

Edited by Sizzlechest
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