Needed a way to list all the theme hooks in iThemes Exchange templates. Output is structured for Mediawiki, but can be modified to suit your needs.

find-duplicate-hooks.php

<?php

$GLOBALS['hooks'] = array();
$GLOBALS['duplicates'] = array();

function list_theme_hooks( $directory ) {
	global $hooks, $duplicates;
	
	$files = array_diff( scandir( $directory ), array( '.', '..', '_list-files.php', '_list-hooks.php', '_get-contents.php', '.DS_Store', 'nonce.php', '_list-hooks-duplicates.php' ) );
	
	foreach ( $files as $file ) {
		if ( dirname( __FILE__ ) == $directory ) {
			if ( is_dir( $directory . '/' . $file ) ) {
				$folder = $file . '.php';
			}
			if ( $folder != $file ) {
				if ( is_dir( $file ) ) {
					if ( preg_match_all( "|" . preg_quote( '<?php do_action(', '/') . "(.*?);|", file_get_contents( dirname( __FILE__ ) . '/' . $file . '.php' ), $matches ) ) {
						$actions = str_replace( '	', '', str_replace( '<?php do_action( \'', '', str_replace( '\' );', '', $matches[0] ) ) );
						
						foreach ( $actions as $action ) {
							if ( isset( $hooks[$action] ) ) {
								$duplicates[$action][] = $file . '.php';
							} else {
								$hooks[$action] = $file . '.php';
							}
						}
					}
				} else {
					if ( preg_match_all( "|" . preg_quote( '<?php do_action(', '/') . "(.*?);|", file_get_contents( dirname( __FILE__ ) . '/' . $file ), $matches ) ) {
						$actions = str_replace( '	', '', str_replace( '<?php do_action( \'', '', str_replace( '\' );', '', $matches[0] ) ) );
						
						foreach ( $actions as $action ) {
							if ( isset( $hooks[$action] ) ) {
								$duplicates[$action][] = $file;
							} else {
								$hooks[$action] = $file;
							}
						}
					}
				}
			}
		} else {
			if ( ! is_dir( $directory . '/' . $file ) ) {
				if ( preg_match_all( "|" . preg_quote( '<?php do_action(', '/') . "(.*?);|", file_get_contents( $directory . '/' . $file ), $matches ) ) {
					$actions = str_replace( '	', '', str_replace( '<?php do_action( \'', '', str_replace( '\' );', '', $matches[0] ) ) );
					
					foreach ( $actions as $action ) {
						if ( isset( $hooks[$action] ) ) {
							$duplicates[$action][] = $file;
						} else {
							$hooks[$action] = $file;
						}
					}
				}
			}
		}
		
		if ( is_dir( $directory . '/' . $file ) )
			list_theme_hooks( $directory . '/' . $file );
	}
}

list_theme_hooks( dirname( __FILE__ ) );

echo "<pre style='color:black;background:white;padding:15px;font-family:\"Courier New\",Courier,monospace;font-size:12px;white-space:pre-wrap;text-align:left;max-width:100%;'>";
print_r( $hooks );
echo "</pre>";

echo "<pre style='color:black;background:white;padding:15px;font-family:\"Courier New\",Courier,monospace;font-size:12px;white-space:pre-wrap;text-align:left;max-width:100%;'>";
print_r( $duplicates );
echo "</pre>";

list-theme-hooks.php

<?php

function list_theme_hooks( $directory ) {
  $files = array_diff( scandir( $directory ), array( '.', '..', '_list-files.php', '_list-hooks.php', '_get-contents.php', '.DS_Store', 'nonce.php' ) );
	
	foreach ( $files as $file ) {
		if ( dirname( __FILE__ ) == $directory ) {
			if ( is_dir( $directory . '/' . $file ) ) {
				$folder = $file . '.php';
			}
			if ( $folder != $file ) {
				if ( is_dir( $file ) ) {
					header('Content-Type: text/plain');
					echo "\n" . '*[[Exchange_Theme_Templates:_' . $file . '.php|' . $file . '.php]]' . "\n";
					if ( preg_match_all( "|" . preg_quote( '<?php do_action(', '/') . "(.*?);|", file_get_contents( dirname( __FILE__ ) . '/' . $file . '.php' ), $matches ) ) {
						$actions = str_replace( '	', '', str_replace( '<?php do_action( \'', '', str_replace( '\' );', '', $matches[0] ) ) );
						
						foreach ( $actions as $action )
							echo '**[[Exchange_Theme_Hooks:_' . $action .'|' . $action .']]' . "\n";
					} else {
						echo "Currently no hooks for this file.\n";
					}
				} else {
					header('Content-Type: text/plain');
					echo "\n" . '*[[Exchange_Theme_Templates:_' . $file . '|' . $file . ']]' . "\n";
					if ( preg_match_all( "|" . preg_quote( '<?php do_action(', '/') . "(.*?);|", file_get_contents( dirname( __FILE__ ) . '/' . $file ), $matches ) ) {
						$actions = str_replace( '	', '', str_replace( '<?php do_action( \'', '', str_replace( '\' );', '', $matches[0] ) ) );
						
						foreach ( $actions as $action )
							echo '**[[Exchange_Theme_Hooks:_' . $action .'|' . $action .']]' . "\n";
					} else {
						echo "**Currently no hooks for this file.\n";
					}
				}
			}
		} else {
			if ( ! is_dir( $directory . '/' . $file ) ) {
				header('Content-Type: text/plain');
				echo "\n" . '*[[Exchange_Theme_Templates:_' . str_replace( dirname( __FILE__ ) . '/', '', $directory ) . '/' . $file . '|' . str_replace( dirname( __FILE__ ) . '/', '', $directory ) . '/' . $file . ']]' . "\n";
				if ( preg_match_all( "|" . preg_quote( '<?php do_action(', '/') . "(.*?);|", file_get_contents( $directory . '/' . $file ), $matches ) ) {
					$actions = str_replace( '	', '', str_replace( '<?php do_action( \'', '', str_replace( '\' );', '', $matches[0] ) ) );
					
					foreach ( $actions as $action )
						echo '**[[Exchange_Theme_Hooks:_' . $action .'|' . $action .']]' . "\n";
				} else {
					echo "**Currently no hooks for this file.\n";
				}
			}
		}
		
		if ( is_dir( $directory . '/' . $file ) )
			list_theme_hooks( $directory . '/' . $file );
	}
}

list_theme_hooks( dirname( __FILE__ ) );