Undeletable file Post: 303036990

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Operating Systems OS X (Apple) Undeletable file Post 303036990 by MadeInGermany on Friday 19th of July 2019 03:18:25 PM

07-19-2019

Registered User

IMHO a glob match returns even unprintable characters.
So the last proposal does not improve anything.

And the clri command (didn't know it yet), will cause extra harm.
It is useless to clear the inode of the file, because an inode contains the data block structure and all meta information BUT THE FILENAME.
The filename and the pointer to the inode is stored in the directory.
The directory is another inode. To have an effect you must clear the directory inode.
I expect less damage with

Code:

unlink <directory>

if supported by the OS. If successful, you need a full file system check, in order to collect the dangling file inode and its data blocks.
I successfully did that a couple of times on a non-journaling UFS in single-user mode (no desktop, no other processes running).

I would go for a disk editor. Find the offending name, compare the shown bytes with the characters from the ls command, change one byte, save, compare again, ...

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clri_hfs

clri(1M)																  clri(1M)

NAME

       clri - clear inode

SYNOPSIS

       special i-number  ...

DESCRIPTION

       The  command  clears  the  inode i-number by filling it with zeros.  special must be a special file name referring to a device containing a
       file system.  For proper results, special should not be mounted (see WARNINGS below).  After is executed, all blocks in the  affected  file
       show up as "missing" in an of special (see fsck(1M)).  This command should only be used in emergencies.

       Read and write permission is required on the specified special device.  The inode becomes allocatable.

WARNINGS

       The  primary  purpose of this command is to remove a file that for some reason does not appear in any directory.  If it is used to clear an
       inode that does appear in a directory, care should be taken to locate the entry and remove it.  Otherwise, when the inode is reallocated to
       some  new file, the old entry in the directory will still point to that file.  At that point, removing the old entry destroys the new file,
       causing the new entry to point to an unallocated inode, so the whole cycle is likely to be repeated again.

       If the file system is mounted, is likely to be ineffective.

DEPENDENCIES

       operates only on file systems of type

SEE ALSO

       fsck(1M), fsdb(1M), ncheck(1M).

STANDARDS CONFORMANCE

       clri: SVID2, SVID3

																	  clri(1M)