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Shell Programming and Scripting
Can you use find with ps or doing find excluding file in use
Post 302981260 by newbie_01 on Friday 9th of September 2016 02:22:26 AM
09-09-2016
Quote:
If these files are all under a particular folder, lsof +D /path/to/folder will produce a list of files and folders in use inside that folder. Subtracting this list from the list of files you wish to delete may be more efficient than calling lsof dozens or hundreds of times.
On the other hand, deleting a file that's in use isn't necessarily a problem to the thing that's using it. It will stay on disk until it's finally closed, then disappear forever.
On the other hand, deleting a file that's in use isn't necessarily a problem to the thing that's using it. It will stay on disk until it's finally closed, then disappear forever.
Thanks for your reply.
I like your idea of the lsof +D. Do you mean using diff on the lsof +D list and the list of files from the find?
I am not able to confirm what you mentioned on the second paragraph. We are not able to check whether the file was deleted before or after we shutdown the database. Correct me if I understand it differently, are you saying even if we had done a remove, the file will stay there because the process has it in use but it will eventually disappear if the process that has in use is killed?
We were expecting these files would have been getting 'modified' by the Oracle processes that has them in use or at least doing a 'touch' of them so it's modified bit is getting ignored by the find
I'll try and have a go with doing lsof.
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LEARN ABOUT OSX
rmf
RMF(1) [nmh-1.5] RMF(1) NAME
rmf - remove an nmh folder SYNOPSIS
rmf [+folder] [-interactive | -nointeractive] [-version] [-help] DESCRIPTION
Rmf removes all of the messages (files) within the specified (or default) folder, and then removes the folder (directory) itself. If there are any files within the folder which are not a part of nmh, they will not be removed, and an error will be produced. If the folder is given explicitly or the -nointeractive option is given, then the folder will be removed without confirmation. Otherwise, the user will be asked for confirmation. If rmf can't find the current folder, for some reason, the folder to be removed defaults to `+inbox' (unless overridden by user's profile entry "Inbox") with confirmation. If the folder being removed is a subfolder, the parent folder will become the new current folder, and rmf will produce a message telling the user this has happened. This provides an easy mechanism for selecting a set of messages, operating on the list, then removing the list and returning to the current folder from which the list was extracted. If rmf s used on a read-only folder, it will delete all the (private) sequences (i.e., "atr-seq-folder" entries) for this folder from your context without affecting the folder itself. Rmf irreversibly deletes messages that don't have other links, so use it with caution. FILES
$HOME/.mh_profile The user profile PROFILE COMPONENTS
Path: To determine the user's nmh directory Current-Folder: To find the default current folder Inbox: To find the default inbox SEE ALSO
rmm(1) DEFAULTS
`+folder' defaults to the current folder, usually with confirmation `-interactive' if +folder' not given, `-nointeractive' otherwise CONTEXT
Rmf will set the current folder to the parent folder if a subfolder is removed; or if the current folder is removed, it will make "inbox" current. Otherwise, it doesn't change the current folder or message. BUGS
Although intuitively one would suspect that rmf works recursively, it does not. Hence if you have a sub-folder within a folder, in order to rmf the parent, you must first rmf each of the children. MH.6.8 11 June 2012 RMF(1)