How to decode a data using base64 and save as file object in objective c?

Question

I am new to iphone development.. I am developing an iphone application in which i am getting file in form binary data encoded using base 64.. I m getting the data from web service.. Now i need to convert the binary data to file object and save it to my iphone simulator and need to open it... I ve searched and found the useful following links about base64 decoder:

How do I do base64 encoding on iphone-sdk?

http://www.cocoadev.com/index.pl?BaseSixtyFour

But i dont know how to save decoded data as file??? Can anyone please tell me how to do that???

Thanks in advance..

score 2 · Accepted Answer · answered Jul 28 '11 at 11:50

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[data writeToFile:@"Filename.txt" atomically:YES];

This way you can write raw data to a file. You can also check the NSData documentation at apple.

answered Jul 28 '11 at 11:50

Praveen S

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I tried.. it runs well.. But where can i find the saved file??? Sorry I m new to iphone development :( – itdeeps Jul 28 '11 at 12:33
I finally found it :) Thanks a lot... But it is too slow :( Is that bcoz of base 64???? – itdeeps Jul 28 '11 at 12:53
It can be, we cant say anything without profiling. Print the time taken and check whats the reason. – Praveen S Jul 28 '11 at 13:03

score 0 · Answer 2 · answered Aug 01 '20 at 12:27

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To see your saved files on Files application under your project name folder, enable the below permissions on your Info.plist

answered Aug 01 '20 at 12:27

Renjithnath Ramachandran

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How to decode a data using base64 and save as file object in objective c?

2 Answers2