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Top Forums UNIX for Dummies Questions & Answers Showing a file's symbolic links Post 302325835 by methyl on Tuesday 16th of June 2009 09:20:39 AM
Old 06-16-2009
For hard links (where the link count is greater than one). Two stage process.

Code:
Find the inode number for the file:

ls -laid /usr/bin/ls
  2389 -r-xr-xr-x   7 bin        bin          28672 Nov 14  2000 /usr/bin/ls

Find all files with that inode number within the filesystem (-xdev may be -mount in some versions of find).

find /usr/ -xdev -inum 2389 -exec ls -laid {} \;
  2389 -r-xr-xr-x   7 bin        bin          28672 Nov 14  2000 /usr/bin/l
  2389 -r-xr-xr-x   7 bin        bin          28672 Nov 14  2000 /usr/bin/lc
  2389 -r-xr-xr-x   7 bin        bin          28672 Nov 14  2000 /usr/bin/ll
  2389 -r-xr-xr-x   7 bin        bin          28672 Nov 14  2000 /usr/bin/ls
  2389 -r-xr-xr-x   7 bin        bin          28672 Nov 14  2000 /usr/bin/lsf
  2389 -r-xr-xr-x   7 bin        bin          28672 Nov 14  2000 /usr/bin/lsr
  2389 -r-xr-xr-x   7 bin        bin          28672 Nov 14  2000 /usr/bin/lsx

 

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SYMLINK(3)								 1								SYMLINK(3)

symlink - Creates a symbolic link

SYNOPSIS
bool symlink (string $target, string $link) DESCRIPTION
symlink(3) creates a symbolic link to the existing $target with the specified name $link. PARAMETERS
o $target - Target of the link. o $link - The link name. RETURN VALUES
Returns TRUE on success or FALSE on failure. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.3.0 | | | | | | | This function is now available on Windows plat- | | | forms (Vista, Server 2008 or greater). | | | | +--------+---------------------------------------------------+ EXAMPLES
Example #1 Create a symbolic link <?php $target = 'uploads.php'; $link = 'uploads'; symlink($target, $link); echo readlink($link); ?> NOTES
Note Windows users should note that this function will only work if the system you run PHP from is Windows Vista/Windows Server 2008 or newer. Windows versions prior to that do not support symbolic links. SEE ALSO
link(3), readlink(3), linkinfo(3). PHP Documentation Group SYMLINK(3)
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