Best way to base64encode a jpeg file ?

Bob Sneidar bobsneidar at iotecdigital.com
Thu Feb 6 11:28:55 EST 2025


I don’t see any of those characters on base64encoded strings. 

Bob S


> On Feb 5, 2025, at 5:43 AM, Ralph DiMola via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> I can see getting rid of extraneous CRs or LFs but aren’t "+","/" and "=" part of the encoding and corrupt the base 64 data stream? Or am I missing something?
> 
> Ralph DiMola
> IT Director
> Evergreen Information Services
> rdimola at evergreeninfo.net
> 
> -----Original Message-----
> From: use-livecode [mailto:use-livecode-bounces at lists.runrev.com] On Behalf Of Monte Goulding via use-livecode
> Sent: Wednesday, February 05, 2025 4:36 AM
> To: How to use LiveCode
> Cc: Monte Goulding
> Subject: Re: Best way to base64encode a jpeg file ?
> 
> Hi jbv
> 
>> Here is my code for base64 encoding :
>> put URL ("file:" & "myfile.jpg") into timagedata
> 
> Use `binfile:` here instead of `file:` so the engine doesn’t treat the data as native text and fiddle with it
> 
>> put base64encode(timagedata) into tBase64Image  replace return with 
>> "" in tBase64Image
> 
> You need url safe base64 encoding so you need:
> 
> local tEncoded
> put base64Encode(pData) into tEncoded
> replace return with empty in tEncoded
> replace "+" with "-" in tEncoded
> replace "/" with "_" in tEncoded
> replace "=" with empty in tEncoded
> 
>> 
>> Thanks,
>> jbv
>> 
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> 
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