gb.xml ! 2011/4/28 Caveat <gam...@caveat.demon.co.uk>: > Hi Richard, > > I don't know of any base64 decode function in Gambas, but then I didn't > look that hard ;-) > > There are various different flavours of base64, so be sure you know > which variant you're dealing with. > > I enclose with this mail a source archive of a little project I've put > together (sorry, it's Gambas2, hope that's OK) that demonstrates > decoding (and encoding) of base64 data. I found the information on how > to put together the encode and decode algorithms here: > http://en.wikipedia.org/wiki/Base64 > > There's also a reference to base64 in Gambas here: > http://www.gambasforum.com/index.php?topic=330.0 > The algorithms given in those code snippets could well be far more > efficient than mine. > > My Base64 Project > ----------------- > First thing to try is just hit the Encode button, it should convert the > text in the top textarea into base64 and place the result in the lower > textarea. Generally, if the In textbox is blank, the input for Encode or > Decode will be the upper textarea, and if the Out textbox is blank, the > output of the Encode or Decode will be shown in the lower textarea. To > encode binary data, you'll need to use a file as input, so use the In > textbox to specify the file name. To decode base64 that represents > binary data, you'll need to use a file as output, so use the Out textbox > to specify the output file name. > > You can try out binary to base64 using fluffy.jpg (shipped with the > project) as your In file. > > To test round-trip (so start with a binary, encode it to base64, then > decode the base64 data to make an identical binary)... enter fluffy.jpg > in the In textbox, blank the Out textbox, hit Encode. In the lower > textarea Select All, Copy... then in the upper textarea Paste. Now > clear the In textbox and enter coffee.jpg in the Out textbox. Hit > Decode. You *should* find a new file in your Base64 project directory > called coffee.jpg, and it *should* be identical to the fluffy.jpg > shipped with the project. > > I'm not convinced that my completely untuned, horribly inefficient > algorithms in Gambas will be the best way to go if speed is of the > essence or if the pdf files are gonna be more than a few 100 kbs... you > might find it quicker/more robust to call out to a built-in function in > java/python/some other program... > > Anyways, all the (commented) source is there for you to see/fiddle > with...so have fun, but if you have any questions, just give me a shout. > > Regards, > Caveat > > > > On Thu, 2011-04-28 at 07:38 +1000, Ian Haywood wrote: >> No, HL7 parsing is fine, let me restate the question: does gambas have >> an inbuilt function to >> decode base 64 data? >> >> Ian >> >> On Thu, Apr 28, 2011 at 3:48 AM, nando <nand...@nothingsimple.com> wrote: >> > Health Level 7 file format >> > To start visit: >> > http://en.wikipedia.org/wiki/Health_Level_7 >> > >> > >> > ---------- Original Message ----------- >> > From: richard terry <rte...@pacific.net.au> >> > To: mailing list for gambas users <gambas-user@lists.sourceforge.net> >> > Sent: Wed, 27 Apr 2011 18:13:57 +1000 >> > Subject: [Gambas-user] Base 64 question >> > >> >> Hi list, >> >> >> >> I've a HL7 file apparently with embedded base64 data (as a pdf) I >> >> wondered if >> >> there iwas any way to de-encode the data, if that is the right syntax. >> >> >> >> Regards >> >> >> >> Richard >> >> >> >> ------------------------------------------------------------------------------ >> >> WhatsUp Gold - Download Free Network Management Software >> >> The most intuitive, comprehensive, and cost-effective network >> >> management toolset available today. Delivers lowest initial >> >> acquisition cost and overall TCO of any competing solution. >> >> http://p.sf.net/sfu/whatsupgold-sd >> >> _______________________________________________ >> >> Gambas-user mailing list >> >> Gambas-user@lists.sourceforge.net >> >> https://lists.sourceforge.net/lists/listinfo/gambas-user >> > ------- End of Original Message ------- >> > >> > >> > ------------------------------------------------------------------------------ >> > WhatsUp Gold - Download Free Network Management Software >> > The most intuitive, comprehensive, and cost-effective network >> > management toolset available today. Delivers lowest initial >> > acquisition cost and overall TCO of any competing solution. >> > http://p.sf.net/sfu/whatsupgold-sd >> > _______________________________________________ >> > Gambas-user mailing list >> > Gambas-user@lists.sourceforge.net >> > https://lists.sourceforge.net/lists/listinfo/gambas-user >> > >> >> ------------------------------------------------------------------------------ >> WhatsUp Gold - Download Free Network Management Software >> The most intuitive, comprehensive, and cost-effective network >> management toolset available today. Delivers lowest initial >> acquisition cost and overall TCO of any competing solution. >> http://p.sf.net/sfu/whatsupgold-sd >> _______________________________________________ >> Gambas-user mailing list >> Gambas-user@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/gambas-user > > > ------------------------------------------------------------------------------ > WhatsUp Gold - Download Free Network Management Software > The most intuitive, comprehensive, and cost-effective network > management toolset available today. Delivers lowest initial > acquisition cost and overall TCO of any competing solution. > http://p.sf.net/sfu/whatsupgold-sd > _______________________________________________ > Gambas-user mailing list > Gambas-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/gambas-user > >
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