How to get root folder of SD card? - General Discussion and Assistance - CHDK Forum
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How to get root folder of SD card?

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Offline mr.burns

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How to get root folder of SD card?
« on: 03 / September / 2015, 14:28:07 »
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Hi,

reyalp told me (thanks):

Quote
You can read and write files using stdio functions like fopen etc. You can list directories using opendir/readdir (look at the file browser code for examples)

Before diving into the file browser code I have to questions:

1. How do I get the root folder of the SD card?

2. Is it possible to write some simple txt-file using CHDK into the root folder (or any other directory) of the SD card?

Thanks!
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Offline reyalp

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Re: How to get root folder of SD card?
« Reply #1 on: 03 / September / 2015, 17:10:34 »
Quote from: mr.burns on 03 / September / 2015, 14:28:07
1. How do I get the root folder of the SD card?
The root of the filesystem is A/

Note the / is part of the name. For any other directory, you should not put a / at the end.

Quote
2. Is it possible to write some simple txt-file using CHDK into the root folder (or any other directory) of the SD card?
Yes. Just use, fopen, fwrite and fclose like you would on any other OS.
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Offline mr.burns

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Re: How to get root folder of SD card?
« Reply #2 on: 04 / September / 2015, 03:19:59 »
Hi reyalp,

thanks this helped me a lot!
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