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[Q] Change file permissions sdcard

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By kabuki-joe, Junior Member on 6th June 2014, 02:33 AM
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hello, ive been doing some searching but havent been able to figure out how to change the permissions of a file thats in /sdcard on 4.4.2.
If this is actually possible could someone please point me in the right direction.

Thanks
 
 
6th June 2014, 02:55 AM |#2  
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Last edited by CRIME INC.; 6th June 2014 at 01:59 PM.
6th June 2014, 03:22 AM |#3  
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Quote:
Originally Posted by kabuki-joe

hello, ive been doing some searching but havent been able to figure out how to change the permissions of a file thats in /sdcard on 4.4.2.
If this is actually possible could someone please point me in the right direction.

Thanks

I don't think you can.
6th June 2014, 06:51 AM |#4  
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You can't if it's on sd card as it doesn't need permissions. Move it to system and you can

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6th June 2014, 01:48 PM |#5  
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I wanted to make a file read only, but i guess it cant be done. Thanks for the replies
6th June 2014, 01:58 PM |#6  
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Info 2
just to inform anyone that may be searching for this as well, the reason it cant be done is a limitation of FAT32 which doesnt allow file permissions.
6th June 2014, 02:58 PM |#7  
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Quote:
Originally Posted by kabuki-joe

just to inform anyone that may be searching for this as well, the reason it cant be done is a limitation of FAT32 which doesnt allow file permissions.

Couple of things...

1) Your /sdcard is not formatted in FAT32
2) The limitation is that Android is designed specifically to not allow you to change /sdcard permissions. /sdcard is mounted at boot with a specific set of permissions which are what the system wishes to maintain at all times, for all files.
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