add v2, hopefully to be optimized

mass-rename-v2.php

@@ -0,0 +1,395 @@
+<?php
+
+//	Copyright (c) 2020 DBMXPCA Technologies. All rights reserved.
+//	www.dbmxpca.com
+//	Date Created: May 18, 2020
+//	Last Updated: May 19, 2020
+//	     Version: 1.06
+
+//	====================================================================================
+//	--- SETTINGS --- SETTINGS --- SETTINGS --- SETTINGS --- SETTINGS --- SETTINGS ---
+//	====================================================================================
+
+//	If you are running through a large dataset that may consume a large amount
+//	of memory, adjust this as necessary.
+ini_set('memory_limit', -1);
+
+//	If true, the script will search for all possible occurrences of itself
+//	and remove it from the directory traversal so as to prevent any alter-
+//	ations to the script itself. This can be useful but for larger dir-
+//	ectory traversals can consume a significant amount of time. It is rec-
+//	ommended that this is enabled only for small datasets or if time is
+//	not of significant concern.
+$remove_self = false;
+
+//	If true, the script will show a preview of all discovered files and dir-
+//	ectories. See the setting "$max_preview_size" for maximum preview results.
+$enable_dir_scan_preview = true;
+
+//	If true, the script will spew the full command immediately prior to its
+//	execution during the final renaming process.
+$display_full_cmd = true;
+
+//	If true, the script will spew the progress during the rename operation.
+$display_progress = true;
+
+//	If true, directories will be skipped and thus will not be renamed.
+$skip_directories = true;
+
+//	Maximum results per preview.
+$max_preview_size = 100;
+
+//	Number of characters to limit the full path & file command preview. This
+//	must be a negative number in order to display the last N characters.
+$cmd_display_limit = -32;
+
+
+
+//	====================================================================================
+//	+++++++++++ DO NOT EDIT BEYOND THIS POINT +++++++++++ DO NOT EDIT BEYOND THIS POINT
+//	====================================================================================
+
+
+$dirToTraverse = -1;
+$regex_search = "";
+$replace_str = "";
+$thisFile = __DIR__ . "/" . $argv[0];
+
+$script_time_start = 0;
+$script_time_end = 0;
+
+function GET_DIR_CONTENTS($dir, &$results = array()) {
+    $files = scandir($dir);
+
+    foreach ($files as $key => $value) {
+        $path = realpath($dir . DIRECTORY_SEPARATOR . $value);
+        if (!is_dir($path)) {
+            $results[] = $path;
+        } else if ($value != "." && $value != "..") {
+            GET_DIR_CONTENTS($path, $results);
+            $results[] = $path;
+        }
+    }
+
+    return $results;
+}
+
+function ECHO_USAGE(){
+	
+	global $argv;
+	
+	echo "\n > Usage:\n";
+	echo "    \"php " . $argv[0] . " <t-dir> <search-regex> <replace-str>\"\n";
+	echo "       where <t-dir> is the directory to traverse and\n";
+	echo "       <search-regex> is the regular expression to\n";
+	echo "       search for, and <replace-str> is the raw string\n";
+	echo "       to replace the search-regex with. Note that\n";
+	echo "       <replace-str> is NOT a regular expression.\n";
+	echo "       If <replace-str> contains one or more whitespace\n";
+	echo "       character(s), it must be enclosed within double-\n";
+	echo "       quotation marks.\n";
+	
+	echo "\n > Examples:\n";
+	echo "   > \"php " . $argv[0] . " . /.[a-z]+/ .jpg\"\n";
+	echo "   > \"php " . $argv[0] . " . /.[a-zA-Z]+/ .jpg\"\n";
+	echo "   > \"php " . $argv[0] . " . /.[a-zA-Z0-9]+/ \".jpg\"\"\n";
+	
+}
+
+//	@BRIEF		Replace $search with $replace in $str. This performs a simple replace using PHP's str_replace().
+function REPLACE($str, $search, $replace){
+	
+	return str_replace($search, $replace, $str);
+}
+
+//	@BRIEF		Replace $search with $replace in $str. This expects a regular expression for $search and uses PHP's preg_replace().
+function REPLACE2($str, $search, $replace){
+	
+	return preg_replace($search, $replace, $str);
+}
+
+//	Returns true if both strings are the same. Performs a case-insensitive comparison unless third parameter is true.
+function ARE_STRINGS_EQUAL($str1, $str2, $case_sensitive = false){
+	
+	switch($case_sensitive){
+		case true:
+			if (strcmp($str1, $str2) == 0){
+				return true;
+			}
+			else{
+				return false;
+			}
+			break;
+		default:
+			if (strcasecmp($str1, $str2) == 0){
+				return true;
+			}
+			else{
+				return false;
+			}
+			break;
+	}
+	return false;	
+}
+
+//	======================================================================
+
+if (isset($argv[1])){
+	
+	$dirToTraverse = $argv[1];
+	echo " > Check passed; Traversal Directory = [" . $dirToTraverse . "]\n";
+}
+
+else{
+	
+	echo " > Check FAILED; Missing Traversal Directory!\n";
+	
+	ECHO_USAGE();
+	
+	echo "\n > Script terminated.\n";
+	exit(1);
+}
+
+if (isset($argv[2])){
+	
+	$regex_search = $argv[2];
+	echo " > Check passed; Search RegEx = \"" . $regex_search . "\"\n";
+}
+
+else{
+	
+	echo " > Check FAILED; Missing Search RegEx!\n";
+	
+	ECHO_USAGE();
+	
+	echo "\n > Script terminated.\n";
+	exit(1);
+}
+
+if (isset($argv[3])){
+	
+	$replace_str = $argv[3];
+	echo " > Check passed; Replacement String = \"" . $replace_str . "\"\n";
+}
+
+else{
+	
+	echo " > Check FAILED; Missing Search RegEx!\n";
+	
+	ECHO_USAGE();
+	
+	echo "\n > Script terminated.\n";
+	exit(1);
+}
+
+echo " > Performing initial directory traversal, please wait...\n";
+$script_time_start = microtime(true);
+
+$contents = array();
+GET_DIR_CONTENTS($dirToTraverse, $contents);
+
+if ($remove_self){
+	
+	while( ($found = array_search($thisFile, $contents)) !== false ){
+		
+		echo " > Removing this script from file listing.\n";
+		unset($contents[$found]);
+	}
+}
+
+// var_dump($contents);
+$script_time_end = microtime(true);
+$script_runtime = $script_time_end - $script_time_start;
+
+echo " > Initial directory traversal complete [" . $script_runtime . " ms].\n";
+
+$counter = 0;
+$stop_preview = false;
+
+if ($enable_dir_scan_preview){
+
+	echo " > ORIGINAL FILE AND DIRECTORY PREVIEW:\n ================================\n";
+	foreach ($contents as $c){
+		
+		if ($stop_preview)
+			break;
+		$counter++;
+		
+		if ($counter > $max_preview_size){
+			
+			echo " --------- (results truncated)\n";
+			$stop_preview = true;
+			break;
+		}
+		
+		echo "   " . $c . "\n";
+	}
+
+	echo " ================================\n";
+}
+
+$content_map = array();
+$content_map_new = array();
+
+//	Build a content map: array with path => filename format.
+foreach ($contents as $c){
+	
+	if (is_dir($c))
+		$filename = null;
+	else
+		$filename = basename($c);
+	
+	$content_map[$c] = $filename;
+}
+
+$content_map_new = $content_map;
+
+echo " > Creating new content map based on supplied search and replace settings, please wait...\n";
+
+// print_r($content_map);
+
+//	Build the replacement content map. This contains the same path => filename
+//	format but with the updated filename instead of the original.
+$script_time_start = microtime(true);
+foreach ($content_map_new as $p => $f){
+	
+	// REPLACE2($str, $search, $replace)
+	$filename_new = REPLACE2($f, $regex_search, $replace_str);
+	$path_new = REPLACE2($p, $regex_search, $replace_str);
+	$content_map_new[$p] = $filename_new;
+}
+
+$script_time_end = microtime(true);
+$script_runtime = $script_time_end - $script_time_start;
+
+echo " > Success: new content map created [" . $script_runtime . " ms].\n";
+
+echo " > FILE AND DIRECTORY PREVIEW:\n ================================\n";
+
+
+$counter = 0;
+$stop_preview = false;
+
+foreach ($content_map as $p => $f){
+	
+	if ($stop_preview)
+		break;
+	
+	if (!is_dir($p)){
+		
+		$counter++;
+		
+		if ($counter > $max_preview_size){
+			
+			echo " --------- (results truncated)\n";
+			$stop_preview = true;
+			break;
+		}
+		
+		$new_path = dirname($p) . "/" . $content_map_new[$p];
+		echo " [before]: " . $p . "\n";
+		echo "  [after]: " . $new_path . "\n\n";
+		
+	}
+	
+}
+
+
+echo " *** Please review above results carefully ***\n\n";
+echo "  - To begin operation (cannot be undone), type 'Y' and press ENTER/RETURN.\n";
+// echo " - To preview more results, type 'P'  and press ENTER/RETURN.\n";
+echo "  - To cancel script without making any changes, type 'N' and press ENTER/RETURN.\n";
+echo "\n  >> Begin operation? [Y/n]: ";
+$response = fgets(STDIN);
+$begin_operation = substr($response, 0, strlen($response) - 1);
+
+if (ARE_STRINGS_EQUAL($begin_operation, "Y", true)){
+	
+	echo "\n  > Operation started by user.\n";
+	$countdown_timer = 5;
+	while($countdown_timer > 0){
+		
+		echo "  > Operation starting in " . $countdown_timer . " second(s)...\n";
+		$countdown_timer--;
+		sleep(1);
+	}
+	
+	echo "\n  > Operation in progress, please wait...\n";
+	
+	$total_items = count($content_map) + 1;
+	$items_remaining = $total_items;
+	$curr_item = 0;
+	$progress_val = 0;
+	$script_time_start = microtime(true);
+	
+	foreach ($content_map as $p => $f){
+		
+		$curr_item++;
+		$progress_val = $curr_item / $total_items;
+		$progress_val *= 100;
+		$progress_val_d = number_format((float)$progress_val, 2, '.', '');
+		
+		//	TODO: Only perform this check if skip_directories is TRUE.
+		if (!is_dir($p)){
+			
+			
+			$new_path = dirname($p) . "/" . $content_map_new[$p];
+			//	Actual command to be executed.
+			$cmd = "mv \"" . $p . "\" \"" . $new_path . "\"";
+			//	Truncated command to be displayed.
+			$cmd_d = "-";
+			//	Make sure the strings are actually long enough to get truncated. If either are too short,
+			//	then just display the full command.
+			if (strlen($p) >= -$cmd_display_limit && strlen($new_path) >= -$cmd_display_limit){
+				$cmd_d = "mv \"..." . substr($p, $cmd_display_limit) . "\" \"..." . substr($new_path, $cmd_display_limit) . "\"";
+			}
+			else{
+				$cmd_d = $cmd;
+			}
+			
+			if (!$display_progress && !$display_full_cmd){		//00
+				//	print nothing
+			}
+			else if (!$display_progress && $display_full_cmd){	//01
+				echo " >>> [" . $cmd_d . "]\n";
+			}
+			else if ($display_progress && !$display_full_cmd){	//10
+				echo " >>> [Progress:  " . $progress_val_d . "%  (" . $curr_item . "/" . $total_items . ") | Items Remaining: " . $items_remaining . "]\n";
+			}
+			else if ($display_progress && $display_full_cmd){	//11
+				echo " >>> [Progress: " . $progress_val_d . "% (" . $curr_item . "/" . $total_items . ") | Remaining: " . $items_remaining . "] | [" . $cmd_d . "]\n";
+			}
+			
+			exec($cmd);
+		}
+		
+		$items_remaining--;
+		
+	}
+	
+	$script_time_end = microtime(true);
+	$script_runtime = $script_time_end - $script_time_start;
+	
+	echo "  > Operation complete. [" . $script_runtime . " ms].\n";
+	exit(0);
+	
+}
+
+echo "\n  > Operation cancelled by user.\n";
+exit(0);
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

mass-rename.php

@@ -4,7 +4,7 @@
 //	www.dbmxpca.com
 //	Date Created: May 18, 2020
 //	Last Updated: May 19, 2020
-//	     Version: 1.06
+//	     Version: 2.00
 
 //	====================================================================================
 //	--- SETTINGS --- SETTINGS --- SETTINGS --- SETTINGS --- SETTINGS --- SETTINGS ---