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Full Discussion: Symbolic Links - BASH Script
Top Forums Shell Programming and Scripting Symbolic Links - BASH Script Post 302135084 by cfajohnson on Wednesday 5th of September 2007 10:42:19 PM
Old 09-05-2007
Quote:
Originally Posted by rodrimuino
The link points to an executable file. I want to get the directory where the executable file is allocated.

If you have the readlink command:
Code:
file=/path/to/file  ## adjust to taste
target=$( readlink "$file" )

If not:
Code:
file=/path/to/file  ## adjust to taste
temp=$( ls -l "$file" )
target=${temp#* -> }

Then you can extract the directory portion and the filename portion from $target:
Code:
target_dir=${target%/*}
target_file=${target##*/}

 

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READLINK(3)								 1							       READLINK(3)

readlink - Returns the target of a symbolic link

SYNOPSIS
string readlink (string $path) DESCRIPTION
readlink(3) does the same as the readlink C function. PARAMETERS
o $path - The symbolic link path. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.3.0 | | | | | | | This function is now available on Windows plat- | | | forms (Vista, Server 2008 or greater). | | | | +--------+---------------------------------------------------+ RETURN VALUES
Returns the contents of the symbolic link path or FALSE on error. EXAMPLES
Example #1 readlink(3) example <?php // output e.g. /boot/vmlinux-2.4.20-xfs echo readlink('/vmlinuz'); ?> SEE ALSO
is_link(3), symlink(3), linkinfo(3). PHP Documentation Group READLINK(3)
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