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Full Discussion: Modifying a variable value
Top Forums UNIX for Dummies Questions & Answers Modifying a variable value Post 302195197 by era on Wednesday 14th of May 2008 01:54:37 PM
Old 05-14-2008
In fact my sort | uniq example was not so far off the mark then.

A variable in Bourne classic is just a piece of text; some shells such as bash and ksh have array variables, too. The common trick would be to modify the text so it is in a suitable form by the time you assign it to a variable.

Code:
var2=$(users | sort | uniq)

 

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OUTPUT_ADD_REWRITE_VAR(3)						 1						 OUTPUT_ADD_REWRITE_VAR(3)

output_add_rewrite_var - Add URL rewriter values

SYNOPSIS
bool output_add_rewrite_var (string $name, string $value) DESCRIPTION
This function adds another name/value pair to the URL rewrite mechanism. The name and value will be added to URLs (as GET parameter) and forms (as hidden input fields) the same way as the session ID when transparent URL rewriting is enabled with session.use_trans_sid. Please note that absolute URLs (http://example.com/..) aren't rewritten. This function's behavior is controlled by the url_rewriter.tags php.ini parameter. Note Calling this function will implicitly start output buffering if it is not active already. PARAMETERS
o $name - The variable name. o $value - The variable value. RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 output_add_rewrite_var(3) example <?php output_add_rewrite_var('var', 'value'); // some links echo '<a href="file.php">link</a> <a href="http://example.com">link2</a>'; // a form echo '<form action="script.php" method="post"> <input type="text" name="var2" /> </form>'; print_r(ob_list_handlers()); ?> The above example will output: <a href="file.php?var=value">link</a> <a href="http://example.com">link2</a> <form action="script.php" method="post"> <input type="hidden" name="var" value="value" /> <input type="text" name="var2" /> </form> Array ( [0] => URL-Rewriter ) SEE ALSO
output_reset_rewrite_vars(3), ob_flush(3), ob_list_handlers(3). PHP Documentation Group OUTPUT_ADD_REWRITE_VAR(3)
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