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Full Discussion: Moving the target of a symbolic link
Top Forums Shell Programming and Scripting Moving the target of a symbolic link Post 302940619 by achenle on Tuesday 7th of April 2015 05:31:42 PM
Old 04-07-2015
Only if you don't have readlink, which I know Solaris 11 does.

And even then, this is works better:
Code:
#include <unistd.h>
#include <stdio.h>
int main( int argc, char **argv )
{
    char buffer[ 32 * 1024 ];
    ssize_t result = readlink( argv[ 1 ], buffer, sizeof( buffer ) );
    if ( result > 0 )
    {
        printf( "%s\n", buffer );
        return( 0 );
    }
    return( -1 );
}

Just run
Code:
cc readlink.c -o readlink

You can add some error checking if you'd like.
 

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LEARN ABOUT PHP

is_link

IS_LINK(3)								 1								IS_LINK(3)

is_link - Tells whether the filename is a symbolic link

SYNOPSIS

       bool is_link (string  $filename)

DESCRIPTION

	Tells whether the given file is a symbolic link.

PARAMETERS

	      o $filename
		- Path to the file.

RETURN VALUES

	Returns TRUE if the filename exists and is a symbolic link, FALSE otherwise.

EXAMPLES

       Example #1

	      Create and confirm if a file is a symbolic link

	      <?php
	      $link = 'uploads';

	      if (is_link($link)) {
		  echo(readlink($link));
	      } else {
		  symlink('uploads.php', $link);
	      }
	      ?>

ERRORS
/EXCEPTIONS
	Upon failure, an E_WARNING is emitted.

NOTES

       Note

	      The results of this function are cached. See clearstatcache(3) for more details.

       Tip

	      As  of  PHP  5.0.0,  this function can also be used with some URL wrappers. Refer to "Supported Protocols and Wrappers" to determine
	      which wrappers support stat(3) family of functionality.

SEE ALSO

       is_dir(3), is_file(3), readlink(3).

PHP Documentation Group 														IS_LINK(3)
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