Ah, I see. I did not appreciate that the dataset could be in the many gigabytes.
Craig > On May 9, 2022, at 12:42 PM, Tom Glod via use-livecode > <use-livecode@lists.runrev.com> wrote: > > there is no way to decrypt something that does not fit in memory. with 64 > bit builds the limit is whatever the motherboard supports. on 32 bit > builds the limit is whatever the os will allow 1 process to have, > but then u need memory to store the decrypted data too. > you can use a command line program to outsource that work and memory > management. > > On Mon, May 9, 2022 at 9:44 AM Craig Newman via use-livecode < > use-livecode@lists.runrev.com> wrote: > >> I believe that there is no upper limit to the size of a variable in LC. So >> I am with Mike here. What makes you nervous about dealing with a large >> dataset within LC itself? >> >> Craig >> >>> On May 9, 2022, at 8:49 AM, Mike Kerner via use-livecode < >> use-livecode@lists.runrev.com> wrote: >>> >>> have you tried ti? i have not run into a situation where a variable was >> too >>> big. >>> >>> On Sun, May 8, 2022 at 6:46 PM Mark Clark via use-livecode < >>> use-livecode@lists.runrev.com> wrote: >>> >>>> Wondering if anyone has used LiveCode for encrypting-decrypting large >>>> files? The docs typically have nice examples for files that can fit >> into a >>>> variable, but what are folks doing for big files that are larger than >> what >>>> you’d want in a variable? I’m thinking about using LC for decrypting zip >>>> compressed log files that can be multiple gigabytes in size. I’d like to >>>> use just LC vs. resorting to shell if possible. >>>> >>>> Likely need a hash value to compare the decrypted output against the >>>> original as well. I’m thinking some variation along the lines of open >> file >>>> x for read, reading some manageable chunk into memory, decrypting a >>>> portion, writing that to disk and repeat. But that seems too simple. >> Think >>>> we need AES 256. Any shared experience much appreciated. >>>> >>>> Thanks all, >>>> >>>> Mark >>>> _______________________________________________ >>>> use-livecode mailing list >>>> use-livecode@lists.runrev.com >>>> Please visit this url to subscribe, unsubscribe and manage your >>>> subscription preferences: >>>> http://lists.runrev.com/mailman/listinfo/use-livecode >>>> >>> >>> >>> -- >>> On the first day, God created the heavens and the Earth >>> On the second day, God created the oceans. >>> On the third day, God put the animals on hold for a few hours, >>> and did a little diving. >>> And God said, "This is good." >>> _______________________________________________ >>> use-livecode mailing list >>> use-livecode@lists.runrev.com >>> Please visit this url to subscribe, unsubscribe and manage your >> subscription preferences: >>> http://lists.runrev.com/mailman/listinfo/use-livecode >> >> >> _______________________________________________ >> use-livecode mailing list >> use-livecode@lists.runrev.com >> Please visit this url to subscribe, unsubscribe and manage your >> subscription preferences: >> http://lists.runrev.com/mailman/listinfo/use-livecode >> > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
