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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LN(1) General Commands Manual LN(1)
NAME
ln - make links
SYNOPSIS
ln [ -s ] sourcename [ targetname ]
ln [ -s ] sourcename1 sourcename2 [ sourcename3 ... ] targetdirectory
DESCRIPTION
A link is a directory entry referring to a file; the same file (together with its size, all its protection information, etc.) may have
several links to it. There are two kinds of links: hard links and symbolic links.
By default ln makes hard links. A hard link to a file is indistinguishable from the original directory entry; any changes to a file are
effective independent of the name used to reference the file. Hard links may not span file systems and may not refer to directories.
The -s option causes ln to create symbolic links. A symbolic link contains the name of the file to which it is linked. The referenced
file is used when an open(2) operation is performed on the link. A stat(2) on a symbolic link will return the linked-to file; an lstat(2)
must be done to obtain information about the link. The readlink(2) call may be used to read the contents of a symbolic link. Symbolic
links may span file systems and may refer to directories.
Given one or two arguments, ln creates a link to an existing file sourcename. If targetname is given, the link has that name; targetname
may also be a directory in which to place the link; otherwise it is placed in the current directory. If only the directory is specified,
the link will be made to the last component of sourcename.
Given more than two arguments, ln makes links in targetdirectory to all the named source files. The links made will have the same name as
the files being linked to.
SEE ALSO
rm(1), cp(1), mv(1), link(2), readlink(2), stat(2), symlink(2)
4th Berkeley Distribution April 10, 1986 LN(1)