02-28-2008
change created and modification time if symbolic links
Hi,
I am trying to duplicate a symbolic link, the new link should be the exact replica of the original one, with same file attributes, permissions, owner, group and even the time.
i m successful in changing the owner and group, but when i try to change the time using utime, the time of the file which is pointed to by this link get updated.
for example, there is file1 and file1_link is a symbolic link to file1. something like this:
lrwxrwxrwx 1 avni avni 5 Feb 27 11:44 file1_link -> file1
-rw-rw-rw- 1 avni avni 2061 Feb 26 18:47 file1
now i have to duplicate file1_link so that i have
lrwxrwxrwx 1 avni avni 5 Feb 27 11:44 file1_link_dup -> file1
but instead i get
lrwxrwxrwx 1 avni avni 5 Feb 28 11:30 file1_link_dup -> file1
when is do utime for file1_link_dup the result is something like this:
lrwxrwxrwx 1 avni avni 5 Feb 27 11:44 file1_link -> file1
-rw-rw-rw- 1 avni avni 2061 Feb 27 11:44 file1
lrwxrwxrwx 1 avni avni 5 Feb 28 11:30 file1_link_dup -> file1
can any body tell how this can be achieved.
I read about lutimes, but its not on my system.
I am new to UNIX and hence have little knowledge of the various distributions and commands available.
Thanks in advance.
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link(1) General Commands Manual link(1)
NAME
link, unlink - Creates an additional directory entry for an existing file
SYNOPSIS
link file1 file2
unlink file
STANDARDS
Interfaces documented on this reference page conform to industry standards as follows:
link: XCU5.0
unlink: XCU5.0
Refer to the standards(5) reference page for more information about industry standards and associated tags.
DESCRIPTION
The link command performs the link() system call to create an additional directory entry for an existing file, file1. In effect, the
underlying file then has two names, file1 and file2 (either of these arguments can be a pathname). The old and new entries share equal
access rights to the underlying file.
The unlink command performs the unlink() system call to remove a link to file created by link. The unlink command removes the directory
entry specified by the file parameter and, if the entry is a hard link, decrements the link count of the file referenced by the link.
You should be familiar with the link() and unlink() system calls before you use these commands.
The link and unlink commands do not issue error messages when the associated system call is unsuccessful.
NOTES
The link and unlink commands cannot be used to link and unlink directories.
EXIT STATUS
The link and unlink commands both exit with the following: The link() or unlink() system call succeeded. Too few or too many arguments
specified. The link() or unlink() system call failed.
SEE ALSO
Commands: fsck(8), ln(1)
Functions: link(2), unlink(2)
link(1)