Changing read/write permissions recursively on folders

I moved a folder of images for a website that I was working on from my laptop to my desktop computer. It arrived there with the folder and all subfolders locked. The folders are three levels deep as it was organized as the pages on the site are organized. I tried unlocking and giving myself read/write permission on the root folder, but it doesn't unlock the subfolders. I have been having to unlock and change the permission on each one. Is there any way to do this to all the folders at once? Someone else needs to use the laptop so going back isn't an option at present.
Mary

Use Get Info and set the desired permissions, then select Apply to Enclosed Items from the tool drop down menu at the bottom of the Get Info window.
If that doesn't work you can use the Terminal application in your Utilities folder. At the prompt enter:
sudo chown -R username:username
place a space at the end of the above line then drag the folder you want to change to the command line. Press RETURN. You will be asked to enter your admin password which will not be echoed.

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Can't change read-write permissions on DMG despite ownership

Hey there! So, I recently followed these instructions to create a 20 megabyte, 128-bit encrypted DMG on my hard drive in order to password-protect some confidential documents. I have had no problems opening the DMG or editing its contents, but today I discovered that I am unable to add, delete, or edit its contents, as I receive the following message: "The document "___" could not be saved as "___". The volume “Encrypted” is read only."
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Okay, so I figured it out, and it was an "Oh, duh!" moment. Figured I should explain for anyone else experiencing this problem.
The DMG was locked, but I couldn't see this or change it while it was mounted. So, if you encounter this problem, simply eject the disk, then navigate to its location in Finder, Get Info, and uncheck the "locked" option. That did the trick for me!
embr

How can I change read/write permissions for a DVD RW?

I've some files saved onto a DVD RW previously and would like to add on more files to it. However, it doesn't allow me to do that. When I checked the file info, it says that I have read & write privilege, but at the same time, there's another line that says "You can only read". When I clicked on the lock to attempt to make changes to settings, nothing is clickable. Take a look at the screenshot below and you'll know what I mean.
Can anyone advise on why this is happening?

A DVD-RW has to be wiped before re-use, so you will lose all data previously copied to it.

How do i change read/write permission on an external hard drive?

how do i change read/write permissions for an external hard drive?

If, on the otherhand, you are trying to write to a drive that is formatted NTFS (for Windows), and can't.
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Is it possible to change the read/write permissions on a time machine back-up of iTunes? I need to restore it, but old version is locked....

Is it possible to change the read/write permissions on a time machine back-up of iTunes? I'm needing to restore it as my phone deleted half our playlists during sync & am not seeing a way to unlock the permissions. I have the current version unlocked, but can't seem to get the backed-up version. When I click on restore I get a pop-up that says iTunes can't be deleted as it is part of the OS. I'm not even trying to delete, just restore the old version. Any suggestions?

Hmmm, ok I'll give it a shot. I've always had the iTunes sync w/ my phone set up to only load selected playlists to the phone b/c there's a lot more in iTunes than I have room or desire for on my phone. A few months back I started having trouble w/ trying to sync everything & subsequently adding more to the phone than it could hold. The quickest thing at the time was to unclick the sync music option in iTunes so I could still backup the phone to the computer & not have a problem.
When I asked about it during one-to-one session shortly after, they advised me to delete the music off my phone & then re-sync it to the computer, run a backup of the phone & redownload the music to the phone. When I tried this it ended up deleting all my playlists (but not my husband's) from iTunes. Irritating, but I've been rebuilding the playlists since. I had also unclicked sync music again & an Apple person told me the most likely best fix was to delete & reload iTunes completely.
A few days ago I realized I hadn't backed up the phone to the computer in over a month so after deleting & reinstalling iTunes, & w/o changing anything (sync music was STILL unchecked) I ran a backup & my phone went from having 4 GB free space to being 2 GB over capacity due to iTunes trying to download the entire music library to the phone. I made a one-to-one appt again & it was suggested AGAIN that I delete all the music off my phone & then resync it to the computer & redownload the music. We did this (though a few random songs that had previously been purchased somehow remained on the phone), I got home, connected the phone & instead of the music that shows as 'on my device' disappearing from iTunes it just sat there, so, as the guy had told me I MIGHT have to do, I threw all those songs showing in iTunes as being on my phone, in the trash so that it was completely clear.
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How do you create default Read/Write Permissions for more than 1 user?

My wife and I share an iMac, but use separate User accounts for separate mail accounts, etc.
However, we have a business where we both need to have access to the same files and both have Read/Write permissions on when one of us creates a new file/folder.
By default new files and folders grant Read/Write to the creator of the new file/folder, and read-only to the Group "Staff" in our own accounts or "Wheel" in the /Users/Public/ folder, and read-only to Everyone.
We are both administrators on the machine, and I know we can manually override the settings for a particular file/folder by changing the permissions, but I would like to set things up so that the Read/Write persmissions are assigned for both of us in the folder for that holds our business files.
It is only the 2 of us on the machine, we trust each other and need to have complete access to these many files that we share. I have archiveing programs running so I can get back old versions if we need that, so I'm not worried about us overwriting the file with bad info. I'm more concerned with us having duplicates that are not up to date in our respective user accounts.
Here is what I have tried so far:
1. I tried to just set the persmissions of the containing folder with us both having read/write persmissions, and applied that to all containing elements.
RESULT -> This did nothing for newly created files or folders, they still had the default permissions of Read/Write for the creating User, Read for the default Group, Read for Everyone
2. I tried using Sandbox ( http://www.mikey-san.net/sandbox/ ) to set the inheritance of the folder using the methods laid out at http://forums.macosxhints.com/showthread.php?t=93742
RESULT -> Still this did nothing for newly created files or folders, they still had the default permissions of Read/Write for the creating User, Read for the default Group, Read for Everyone
3. I have set the umask to 002 ( http://support.apple.com/kb/HT2202 ) so that new files and folders have a default permission that gives the default group Read/Write permissions. This unfortunately changes the default for the entire computer, not just a give folder.
I then had to add wife's user account to the "Staff" group because for some reason her account was not included in that. I think this is due to the fact that her account was ported into the computer when we upgraded, where as mine was created new. I read something about that somewhere, but don't recall where now. I discovered what groups we were each in by using the Terminal and typing in "groups username" where username was the user I was checking on.
I added my wife to the "Staff" group, and both of us to the "Wheel" group using the procedures I found at
http://discussions.apple.com/thread.jspa?messageID=8765421&#8765421
RESULT -> I could create a new file using TextEdit and save it anywhere in my account and it would have the permissions: My Username - Read/Write, "Staff" or "Wheel" (depending on where I saved it) - Read/Write, Everyone - Read Only, as expected from the default umask.
I could then switch over to my wife's account, open the file, edited it, and save it, but then the permissions changed to: Her Username - Read/Write, (unknown) - Read/Write, Everyone - Read Only.
And when I switch back to my account, now I can open the file, but I can't save it with my edits.
I'm at my wits end with this, and I can believe it is impossible to create a common folder that we can both put files in to have Read/Write permissions on like a True Shared Folder. Anyone who has used windows knows what you can do with the Shared folder in that operating system, ie. Anyone with access can do anything with those files.
So if anyone can provide me some insight on how to accomplish what I really want to do here and help me get my system back to remove the things it seems like I have screwed up, I greatly appreciate it.
I tried to give as detailed a description of the problem and what I have done as possible, without being to long winded, but if you need to know anything else to help me, please ask, I certainly won't be offended!
Thanks In Advance!
Steve

Thanks again, V.K., for your assistance and especially for the very prompt responses.
I was unaware that I could create a volume on the HD non-destructively using disk utility. This may then turn out to be the better solution after all, but I will have to free up space on this HD and try that.
Also, I was obviously unaware of the special treatment of file creation by TextEdit. I have been using this to test my various settings, and so the inheritance of ACLs has probably been working properly, I just have been testing it incorrectly. URGH!
I created a file from Word in my wife's account, and it properly inherited the permissions of the company folder: barara - Custom, steve - Custom, barara - Read/Write, admin - Read Only, Everyone - Read Only
I tried doing the chmod commands on $TMPDIR for both of us from each of our accounts, but I still have the same behavior for TextEdit files though.
I changed the group on your shared folder to admin from wheel as you instructed with chgrp. I had already changed the umask to 002, and I just changed it back to 022 because it didn't seem to help. But now I know my testing was faulty. I will leave it this way though because I don't think it will be necessary to have it set to 002.
I do apparently still have a problem though, probably as a result of all the things I have tried to get this work while I was testing incorrectly with TextEdit.
I have just discovered that the "unknown user" only appears when I create the a file from my wife's account. It happens with any file or folder I create in her account, and it exists for very old files and folders that were migrated from the old computer. i.e. new and old files and foders have permissions: barara - Read/Write, unknown user - Read Only, Everyone - Read Only
Apparently the unknown user gets the default permissions of a group, as the umask is currently set to 022 and unknown user now gets Read Only permissions on new items, but when I had umask set to 002, the unknown user got Read/Write permissions on new items.
I realize this is now taking this thread in a different direction, but perhaps you know what might be the cause of this and how to correct or at least know where to point me to get the answer.
Also, do you happen to know how to remove users from groups? I added myself and my wife to the Wheel group because that kept showing up as the default group for folders in /Users/Shared
Thanks for your help on this, I just don't know how else one can learn these little "gotchas" without assistance from people like you!
Steve

Can't update photos using iPhoto 6 - read/write permissions

Help!
Before you think this is the standard "iPhoto 6 permissions problem", please read on.
Upon installing iPhoto 6 and attempting to update my iPhoto Library, I get the dreaded "There is a problem accessing...files in your iPhoto Library folder...Make sure you have read and write permissions for the folder...all enclosed items." This is the problem noted in:
http://docs.info.apple.com/article.html?artnum=303135
However, it doesn't tell me what file(s) have the problem, even though the app note says it would for OS 10.3.9. No matter. I simply first did a get info on the iPhoto Library folder verified that it was not locked and that I had read/write permissions. I also applied that to everything inside the folder. Ran iPhoto again...same error.
Although I didn't get the "repair permissions" error, I did that too. Ditto for the locked files issue reported at:
http://docs.info.apple.com/article.html?artnum=303232
After attempting the update at least a dozen times, I even tried the UNIX chmod command (774) on everything in the iPhoto Library folder just in case the "get info" method didn't take. Still get the same error when updating iPhoto 6. What gives!
I willing to try any suggestions ya'll might have!
FYI - I do have my older version of iPhoto available and I have a complete backup of my iPhoto Library.
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david

Hi David,
It's up to you, unless someone else comes along with some more things to try.
I am assuming you still have a version 5 of the iPhoto Library folder in the Finder.
Rename it to iPhoto Library_old and drag it to the desktop.
Do a search in the library for Thumbs. this will find all the Thumb folders which you do not want to import into the new Library. Delete those Thumb folders.
Now you have to decide if you want to import both the Original and Modified versions of a photo, or just the Originals. The problem is, if you import both, they will no longer be linked but will show up as separate photos in the library.
Actually it is going to be a big pain unless you have just the photos backed up to reimport.
If you want, you can check out a page I made showing the manual way to import the photos (#3)
http://homepage.mac.com/loridilo/iPhoto5help/Personal22.html

Read/Write Permissions for FAT32 SD card.

Hi all, after a lot of searching in similar threads I have found no answers to my question.
I have a MobileLite usb drive that takes various sizes of SD cards. I have inserted into it a 256MB regular sized SD card (that which you would find in cameras). I plugged it in to add a file to a folder I had labeled "apps" and the file was clicked and dragged into the folder on the SD card no problem. I disconnected it (safely) and then reconnected it to add another file. Now it is saying that the SD card is read only.
1) The switch on the SD card is NOT set to lock so I know thats not the problem.
2) I backed up all the files onto my desktop, and then went into Disk Utility to see if I could reformat it, but it wont let me.
3) Under "get info" there are no options to change the read/write permissions.
It is to my understanding that FAT32 should be native for both PC and MAC so I dont know whats going on here. Further more, its troubling me that I was able to write onto the SD card, and after unplugging and plugging back in, I now only have read access.
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You see that's the thing, I'm not using it for a picture camera. The camera prob wouldnt read the card anyway. I'm using it as a storage device for my Nintendo Wii, I have files that I put on there to use as channels for my Wii Home Screen.

Read/Write permissions and saving prevented

Hi!
My hard drive failed last week, and while it was being replaced, the technician backed up the old one, replaced all my data onto the new one and upgraded me to 10.4.10, and then repaired permissions. He also replaced my keyboard, which had few to no letters painted on it (again). I'm the only user on this computer.
Most things seem to be working well, but so far I've found that I'm not allowed to access my address book at all -- I'm being 'told' I have no read/write permissions for address book. I am also not allowed to save anything (not print to .pdf, not anything from Appleworks, not from textedit) except email as drafts. I have found a way to get around some of it, by trying to save directly to the hard drive, then I get asked to authenticate with my password, I do and it OKs that individual file. This works maybe 90% of the time, but not always on the first try.
Oh, also I can't run anything in flash (I tried to go to a flash based website and it wouldn't work), and I was not able to download a flash player at all.
Do these issues go together at all? I'm nervous that if I try to fix something, I'll make it worse.
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iBook G4 Mac OS X (10.4.10)
iBook G4, iMac,

Hi Tttina, it sounds like permissions within your Home folder. To check, create a new account, name it "test" and see how your apps work in that User acct? (That will tell if your problem is systemwide or limited to your User acct.) This account is just for test, do nothing further with it.
Open System Preferences >> Accounts >> "+" make it an admin account.
If that works, then repair the Permissions inside your Home folder:
• Navigate to YourHome/Library.
• Get Info (Command - i) on folders for apps you are having problems with.
• Open the "Ownership & permissions" disclosure triangle.
• Make sure you are the owner, with "read and write" access.
• Click on "apply to all"
• If this is correct, open the "Applications Support" folder and do the same procedure (Command+I) for the folders with the names of the applications you are having trouble with.
Note:
The reason to do this is because repairing permissions with Disk Utility (as the tech did) doesn't touch permissions inside your home folder.
-mj
[email protected]

I need to copy a file over to my mac from a CD but it won't let me due to read write permissions. is it possible to get around this?

i need to copy a file over to my mac from a CD but it won't let me due to read write permissions. does anyone know of a way to get around this?
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Essential read/write permissions

Hi there,
I hope I don't make a fool out of myself with my first question, but after several hours searching the internet (not sure how to name my problem) for answers I'm just gonna ask:
In our office we have several computers connected, each user can drop stuff in each others dropbox. ok. The problem starts with the permissions of the documents. For each document you have to set them to read/write for the staff, which is not difficult, but annoying. So here is my question: is there a way to tell programms eg TextEdit, PhotoShop,... to create all documents with read/write permissions for me AND the staff? Hope anyone has an idea.
littleMissNosy

Two days have passed since your initial post. Recalling reading something similar in the past, if you click on the link shown below, it should provide you with the technical means to achieve your request. Hope it works for you little Miss.
http://discussions.apple.com/thread.jspa?messageID=10863288#10863288

Granting read/write permissions on Oracle Server processes

Hi
I'm trying to set up a BFILE datatype in a table. I have created the directory and the current user has permissions to read and write to that folder. (The current user has the create any directory permission granted). The insert statement does not give an error but when I look at the table the BFILE column contains an error of <Value Error>.
I suspect it may be because the current user does not have server read/write permissions on the directory I'm using. Can anybody help me with a correcting this please?
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Many thanks for the reply.
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I suspect there is something wrong with the SELECT statement because I can get the procedure to run fine on the text file if I provide the BFILE location directly into the bfile_loc variable (as opposed to using the SELECT statement to retrieve it from the db).
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sep_char CONSTANT RAW(100) := UTL_RAW.CAST_TO_RAW(CHR(32));      --separating character (space)
end_file CONSTANT RAW(100) := UTL_RAW.CAST_TO_RAW(CHR(10));      --end of file character (new line)
bfile_loc BFILE;                               --pointer to BFILE
cur_pos NUMBER := 1;                          --current position in file
char_read BINARY_INTEGER := 0;                     --number of characters read
read_buff VARCHAR2(500);                          --read buffer
end_word NUMBER;                              --end of current word
ret_val BOOLEAN := FALSE;                         --return value
BEGIN
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end_word := DBMS_LOB.INSTR(bfile_loc, sep_char, cur_pos, 1);
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char_read:= end_word - cur_pos - 1;
DBMS_LOB.READ(bfile_loc, char_read, cur_pos, read_buff);
dbms_output.put_line(UTL_RAW.CAST_TO_VARCHAR2(read_buff));
EXIT;
END IF;
-- read until end-of-file
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DBMS_LOB.READ(bfile_loc, char_read, cur_pos, read_buff);
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cur_pos := cur_pos + char_read+ 1;
END LOOP;
DBMS_LOB.CLOSE(bfile_loc);
END;

Get Read/Write permissions of application

Hi,
I am developing one application by using FileConnection API. My requirement is,
Whenever user launch the application, Application will get the properties of user read data/user write data permission. if they set the permission like "Always Ask" then application will close otherwise application will launch.
For this, how can i get read/write permissions of application?. Please help in this query.
Thanks & Regards
Siva

Hi ,
As the FileConnection API is restricted and need permission.
You have to set the FileConnection permission into the JAD file. Depends upon the mobile it might be possible that you have to signed the MIDlet.
Ashish Garg

Can I batch change user access to folders & file read-write permissions?

I had a corrupted user account on my iMac and after weeks of trying repairs I followed a forum suggestion to delete my account.
Before doing so I synced all my document folders and files (since 2004) over my LAN to an external hard drive that was attached to my MacMini. I then deleted the iMac account.
Next I backed up my Mac Mini user account with Time Machine. I then created a new iMac User account on the iMac and let the iMac access Time Machine to bring over all my MacMini preferences, settings, desktop, etc. I now have a fully functioning iMac user account.
Here is the problem. I attached the USB external drive directly to my iMAC. I can access some of the folders and files on the external hard drive. Most of them refuse to let me acces the folder or open a file. If I use the GET INFO command I see an "_unknown" user with "read and write". I see an "everyone" with "no access". I can individually change each folder and file to allow my user account access and give myself permission to read and write the files. I cannot delete delete the "_unknown" account.
It will take me days to individually change each folder and file manually like I am now doing.
Is there a way to use Automator to add my user account to the folder or file and give me read and write folder and file permissions?
Or is there any other way to do this in a batch change?
Is there something I need to do to the external files right now that will ensure that I can access them if either computer crashes and I need to replace the MAC? I would hate to have to go through this again. Would having a MAC server instead of an external drive solve this?
I am using MAC OS 10.6.8 with the most recent updates installed (as of today).
Thanks,
Sandi Dickenson

Select the icon of the external drive in the sidebar of a Finder window, and open the Info window. In the "Sharing & Permissions" section of the window, click the lock icon and authenticate. Make sure you have read & write access to the volume by changing the settings if necessary. Then, from the action menu (gear icon), select "Apply to enclosed items."
The "_unknown" user and group are assigned automatically to files on a volume with the "Ignore permissions" option set.

Changing read/write permissions recursively on folders

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