TweetFollow Us on Twitter

More Finder Scripting

Volume Number: 20 (2004)
Issue Number: 11
Column Tag: Programming

More Finder Scripting

by Benjamin S. Waldie

We've taken a look at some basic Finder scripting, including creating, naming, and updating folders. This month, let's expand a bit further, and begin looking at some other scriptable Finder functionality.

Manipulating Finder objects

In this article, when I refer to a Finder "item" or "object", please note that I am simply referring generically to either a file or a folder.

Opening

We have already seen how the following code can be used to open a folder using the Finder:

tell application "Finder"
	set theFolder to make new folder at desktop with properties {name:"My Folder"}
	open theFolder
end tell

You may also have the need to open a file using the Finder. To simply open a file, the AppleScript syntax is the same:

set theFile to choose file
tell application "Finder"
	open theFile
end tell

In some cases, you may want to open a file using a specific application. For example, let's say that you have a Photoshop or ImageReady droplet, or an AppleScript droplet, and you want to process one or more dropped items. You can do this with AppleScript in the Finder by making use of the using parameter along with the open command.

set theApplication to choose application as alias
set theFile to choose file
tell application "Finder"
	open theFile using theApplication
end tell

Revealing

If you simply want to locate and navigate to an item in the Finder, you can use the reveal command. This will locate the object in the Finder, open a new window if necessary, display and select the specified object.

set theFile to choose file
tell application "Finder"
	reveal theFile
end tell

Moving

Moving files and folders around is another common task involving the Finder. To move a file or folder, use the move command.

set theFile to choose file
set theDestinationFolder to choose folder with prompt "Please select a destination folder:"
tell application "Finder"
	move theFile to theDestinationFolder
end tell

By default, the move command will not automatically replace existing items in the destination location with the same name. If you want to replace existing items in any situation, then you can simply use the replacing parameter to indicate that any existing items should be replaced, if necessary. For example:

tell application "Finder"
	move theFile to theDestinationFolder replacing true
end tell

If you do not want to replace existing items, but you still want to move the item to the destination folder, then you will need to create custom code to handle the situation as you see fit. For example, if you wanted to add a unique numeric suffix to the item name, and then move it, you could use the following code:

set theFile to choose file
set theDestinationFolder to choose folder with prompt "Please select a destination folder:"
tell application "Finder"
	set theFileName to name of theFile
	set thePathToCheck to theDestinationFolder & theFileName as string
	if item thePathToCheck exists then
		set theSuffix to 1
		repeat
			if (item (thePathToCheck & theSuffix) exists) = false then exit repeat
			set theSuffix to theSuffix + 1
		end repeat
		set name of theFile to theFileName & theSuffix
	end if
	move theFile to theDestinationFolder
end tell

Duplicating

To copy an item, you need to use the duplicate command, rather than the copy command. For example:

set theFile to choose file
set theDestinationFolder to choose folder with prompt "Please select a destination folder:"
tell application "Finder"
	duplicate theFile to theDestinationFolder
end tell

As of the writing of this article, the Finder dictionary did indicate the presence of a copy command. However, this command was not yet implemented in the Mac OS X Panther (10.3.3) Finder. In addition, once functional, the copy command will be used to copy items to the clipboard, rather than to copy them from one location to another.

Duplicating is similar to moving, in that it will not automatically replace existing items with the same names. In order to replace existing items, you need to use the replacing parameter.

tell application "Finder"
	duplicate theFile to theDestinationFolder replacing true
end tell

If you do not want to replace existing items in a destination folder, but you still want to copy an item to the destination folder, then you will need to create code to handle this situation. For example:

set theFile to choose file
set theDestinationFolder to choose folder with prompt "Please select a destination folder:"
tell application "Finder"
	set theFileName to name of theFile
	set thePathToCheck to theDestinationFolder & theFileName as string
	if item thePathToCheck exists then
		set theSuffix to 1
		repeat
			if (item (thePathToCheck & theSuffix) exists) = false then exit repeat
			set theSuffix to theSuffix + 1
		end repeat
		set name of theFile to theFileName & theSuffix
	end if
	duplicate theFile to theDestinationFolder
end tell

Deleting

To delete an item, use the delete command:

set theFile to choose file
tell application "Finder"
	delete theFile
end tell

Please note that the delete command will not actually delete an item. Rather, it will move the item to the trash, where it may be retrieved until the trash has been emptied. If you want to fully delete a file, you will need to tell the Finder to empty the trash after performing the deletion. For example:

set theFile to choose file
tell application "Finder"
	delete theFile
	empty the trash
end tell

Keep in mind that by emptying the trash, you will be removing any other items residing in the trash as well.

Getting Object Info

When working with an item in the Finder, you will probably want to retrieve information about the item. You can do this by accessing the properties of the desired object. Common properties shared by both files, folders, and disks can be found under the Finder Items suite in the Finder dictionary.


Figure 1. Finder Dictionary > Finder Item Detail

Some commonly accessed properties of Finder items include the modification date, name, and size of the item. For example:

set theFile to choose file
tell application "Finder"
	set theModDate to modification date of theFile
	set theName to name of theFile
	set theSize to size of theFile
end tell

In addition to these common properties, files, folders, and disks also have additional properties specific to their particular class. For example, files have a file type and creator type property, whereas folders and disks have other properties not possessed by files. For example:

set theFile to choose file
tell application "Finder"
	set theFileType to file type of theFile
	set theCreatorType to creator type of theFile
end tell

Some developers prefer to avoid scripting the Finder when possible, and resort instead to using a scripting addition to access certain properties of files and folders. The Standard Additions scripting addition, which is installed with Mac OS X, contains a command for just this task - info for. This command may be used to retrieve a variety of properties for files and folders, such as name, modification date, size, and more. For example:

  • set theFile to choose file
  • set theFileInfo to info for theFile
  • set theName to name of theFileInfo
  • set theModDate to modification date of theFileInfo
  • set theSize to size of theFileInfo

What About System Events?

If you have done some scripting in Mac OS X before, then you may be somewhat familiar with the System Events background application. This application allows you to automate various system related activities.


Figure 2. The System Events Dictionary Window

Some of the commands in the System Events dictionary are very similar to commands found in the Finder dictionary, including the delete, move, and open commands. For these specific commands, System Events may be used instead of the Finder. However, please note that certain parameters, which are present when scripting the Finder, are not present when scripting System Events. For example, when moving an item using System Events, there is not currently a way to specify whether existing items should be overwritten. When using this command, items will never be overwritten.

set theFile to (choose file) as string
set theDestinationFolder to choose folder
tell application "System Events"
	move disk item theFile to theDestinationFolder
end tell

The System Events dictionary has expanded significantly with the last few major Mac OS X releases, and I expect it to continue to expand in the future. My guess is that more Finder-like functionality will continue to be built into System Events with every major OS release. System Events contains much more than the few commands I mentioned above, and I encourage you to explore it in greater detail in order to find out more about what System Events has to offer.

In Closing

This month's article should take you a little further down the road of Finder scripting. For some editable examples of Finder scripting, you may want to check out the example Finder scripts included with Mac OS X. These can be found in the Library > Scripts > Finder Scripts folder on your machine. In addition, Apple's AppleScript web site contains some Finder scripts, which can be triggered from the Finder's toolbar. For additional information about all of these scripts, as well as links to download the toolbar scripts, please visit http://www.apple.com/applescript/finder/.

Until next time, keep scripting!


Benjamin Waldie is president of Automated Workflows, LLC, a firm specializing in AppleScript and workflow automation consulting. In addition to his role as a consultant, Benjamin is an evangelist of AppleScript, and can frequently be seen presenting at Macintosh User Groups, Seybold Seminars, and MacWorld. For additional information about Benjamin, please visit http://www.automatedworkflows.com, or email Benjamin at applescriptguru@mac.com.applescriptguru@mac.com.

 

Community Search:
MacTech Search:

Software Updates via MacUpdate

GraphicConverter 10.5.1 - $39.95
GraphicConverter is an all-purpose image-editing program that can import 200 different graphic-based formats, edit the image, and export it to any of 80 available file formats. The high-end editing... Read more
Delicious Library 3.7 - Import, browse a...
Delicious Library allows you to import, browse, and share all your books, movies, music, and video games with Delicious Library. Run your very own library from your home or office using our... Read more
Adobe Animate CC 2017 18.0.0.107 - Anima...
Animate CC 2018 is available as part of Adobe Creative Cloud for as little as $19.99/month (or $9.99/month if you're a previous Flash Professional customer). Animate CC 2018 (was Flash CC) lets you... Read more
Adobe After Effects CC 2018 15.0 - Creat...
After Effects CC 2018 is available as part of Adobe Creative Cloud for as little as $19.99/month (or $9.99/month if you're a previous After Effects customer). The new, more connected After Effects CC... Read more
Adobe Premiere Pro CC 2018 12.0.0 - Digi...
Premiere Pro CC 2018 is available as part of Adobe Creative Cloud for as little as $19.99/month (or $9.99/month if you're a previous Premiere Pro customer). Adobe Premiere Pro CC 2018 lets you edit... Read more
Alarm Clock Pro 10.3 - $19.95
Alarm Clock Pro isn't just an ordinary alarm clock. Use it to wake you up in the morning, send and compose e-mails, remind you of appointments, randomize the iTunes selection, control an internet... Read more
Adobe Lightroom 20170919-1412-ccb76bd] -...
Adobe Lightroom is available as part of Adobe Creative Cloud for as little as $9.99/month bundled with Photoshop CC as part of the photography package. Lightroom 6 is also available for purchase as a... Read more
Adobe Illustrator CC 2018 22.0.0 - Profe...
Illustrator CC 2018 is available as part of Adobe Creative Cloud for as little as $19.99/month (or $9.99/month if you're a previous Illustrator customer). Adobe Illustrator CC 2018 is the industry... Read more
Hopper Disassembler 4.3.0- - Binary disa...
Hopper Disassembler is a binary disassembler, decompiler, and debugger for 32- and 64-bit executables. It will let you disassemble any binary you want, and provide you all the information about its... Read more
Adobe InDesign CC 2018 13.0.0.125 - Prof...
InDesign CC 2018 is available as part of Adobe Creative Cloud for as little as $19.99/month (or $9.99/month if you're a previous InDesign customer). Adobe InDesign CC 2018 is part of Creative Cloud.... Read more

ICEY (Games)
ICEY 1.0 Device: iOS Universal Category: Games Price: $2.99, Version: 1.0 (iTunes) Description: ICEY is a 2D side-scrolling action game. As you follow the narrator's omnipresent voice, you will see through ICEY's eyes and learn the... | Read more »
The best new games we played this week -...
We've made it, folks. Another weekend is upon us. It's time to sit back and relax with the best new releases of the week. Puzzles, strategy RPGs, and arcade games abound this week. There's a lot of quality stuff to unpack this week, so let's hop... | Read more »
Wheels of Aurelia (Games)
Wheels of Aurelia 1.0.1 Device: iOS Universal Category: Games Price: $3.99, Version: 1.0.1 (iTunes) Description: | Read more »
Halcyon 6: Starbase Commander guide - ti...
Halcyon 6 is a well-loved indie RPG with stellar tactical combat and some pretty good writing, too. It's now landed on the App Store, so mobile fans, if you're itching for a good intergalactic adventure, here's your game. Being a strategy RPG, the... | Read more »
Game of Thrones: Conquest guide - how to...
Fans of base building games might be excited to know that yet another entry in the genre has materialized - Game of Thrones: Conquest. Yes, you can now join the many kingdoms of the famed book series, or create your own, as you try to conquer... | Read more »
Halcyon 6: Starbase Commander (Games)
Halcyon 6: Starbase Commander 1.4.2.0 Device: iOS Universal Category: Games Price: $6.99, Version: 1.4.2.0 (iTunes) Description: An epic space strategy RPG with base building, deep tactical combat, crew management, alien diplomacy,... | Read more »
Legacy of Discord celebrates its 1 year...
It’s been a thrilling first year for fans of Legacy of Discord, the stunning PvP dungeon-crawling ARPG from YOOZOO Games, and now it’s time to celebrate the game’s first anniversary. The developers are amping up the festivities with some exciting... | Read more »
3 reasons to play Thunder Armada - the n...
The bygone days of the Battleship board game might have past, but naval combat simulators still find an audience on mobile. Thunder Armada is Chinese developer Chyogames latest entry into the genre, drawing inspiration from the explosive exchanges... | Read more »
Experience a full 3D fantasy MMORPG, as...
Those hoping to sink their teeth into a meaty hack and slash RPG that encourages you to fight with others might want to check out EZFun’s new Eternity Guardians. Available to download for iOS and Android, Eternity Guardians is an MMORPG that lets... | Read more »
Warhammer Quest 2 (Games)
Warhammer Quest 2 1.0 Device: iOS Universal Category: Games Price: $4.99, Version: 1.0 (iTunes) Description: Dungeon adventures in the Warhammer World are back! | Read more »

Price Scanner via MacPrices.net

12″ iPad Pros on sale for $50 off MSRP, no ta...
Adorama has 12″ iPad Pros on sale today for $50 off MSRP. Shipping is free, and Adorama charges sales tax in NY & NJ only: – 12″ 64GB iPad Pro: $749, save $50 – 12″ 256GB iPad Pro: $899, save $50... Read more
9″ iPads on sale for $30 off, starting at $29...
MacMall has 9″ iPads on sale for $30 off including free shipping: – 9″ 32GB iPad: $299 – 9″ 128GB iPad: $399 Read more
Apple restocks full line of refurbished 13″ M...
Apple has restocked a full line of Apple Certified Refurbished 2017 13″ MacBook Pros for $200-$300 off MSRP. A standard Apple one-year warranty is included with each MacBook, and shipping is free.... Read more
13″ 3.1GHz/256GB MacBook Pro on sale for $167...
Amazon has the 2017 13″ 3.1GHz/256GB Space Gray MacBook Pro on sale today for $121 off MSRP including free shipping: – 13″ 3.1GHz/256GB Space Gray MacBook Pro (MPXV2LL/A): $1678 $121 off MSRP Keep an... Read more
13″ MacBook Pros on sale for up to $120 off M...
B&H Photo has 2017 13″ MacBook Pros in stock today and on sale for up to $120 off MSRP, each including free shipping plus NY & NJ sales tax only: – 13-inch 2.3GHz/128GB Space Gray MacBook... Read more
15″ MacBook Pros on sale for up to $200 off M...
B&H Photo has 15″ MacBook Pros on sale for up to $200 off MSRP. Shipping is free, and B&H charges sales tax in NY & NJ only: – 15″ 2.8GHz MacBook Pro Space Gray (MPTR2LL/A): $2249, $150... Read more
Roundup of Apple Certified Refurbished iMacs,...
Apple has a full line of Certified Refurbished 2017 21″ and 27″ iMacs available starting at $1019 and ranging up to $350 off original MSRP. Apple’s one-year warranty is standard, and shipping is free... Read more
Sale! 27″ 3.8GHz 5K iMac for $2098, save $201...
Amazon has the 27″ 3.8GHz 5K iMac (MNED2LL/A) on sale today for $2098 including free shipping. Their price is $201 off MSRP, and it’s the lowest price available for this model (Apple’s $1949... Read more
Sale! 10″ Apple WiFi iPad Pros for up to $100...
B&H Photo has 10.5″ WiFi iPad Pros in stock today and on sale for $50-$100 off MSRP. Each iPad includes free shipping, and B&H charges sales tax in NY & NJ only: – 10.5″ 64GB iPad Pro: $... Read more
Apple iMacs on sale for up to $130 off MSRP w...
B&H Photo has 21-inch and 27-inch iMacs in stock and on sale for up to $130 off MSRP including free shipping. B&H charges sales tax in NY & NJ only: – 27″ 3.8GHz iMac (MNED2LL/A): $2179 $... Read more

Jobs Board

Engineering Manager, *Apple* Retail Enginee...
# Engineering Manager, Apple Retail Engineering Job Number: 58139948 Santa Clara Valley, California, United States Posted: 20-Oct-2017 Weekly Hours: 40.00 **Job Read more
*Apple* Retail - Multiple Positions - Apple,...
Job Description: Sales Specialist - Retail Customer Service and Sales Transform Apple Store visitors into loyal Apple customers. When customers enter the store, Read more
Commerce Engineer, *Apple* Media Products -...
Commerce Engineer, Apple Media Products (New York City) Job Number: 113028813New York City, New York, United StatesPosted: Sep. 20, 2017Weekly Hours: 40.00 Job Read more
US- *Apple* Store Leader Program - Apple (Un...
US- Apple Store Leader Program Job Number: VariousUnited StatesPosted: Oct. 19, 2017Retail Store Job Summary Learn and grow as you explore the art of leadership at Read more
Product Manager - *Apple* Pay on the *Appl...
Job Summary Apple is looking for a talented product manager to drive the expansion of Apple Pay on the Apple Online Store. This position includes a unique Read more
All contents are Copyright 1984-2011 by Xplain Corporation. All rights reserved. Theme designed by Icreon.