Get the path of the parent of the parent of an AppleScript - applescript

Is there an easy way to get the path of the grandparent of an AppleScript itself?
Currently I have:
set grandparent to POSIX file (POSIX path of ((POSIX file (POSIX path of ((path to me as text) & "::")) as text) & "::")) as text
This works, but is kind of cumbersome. Especially when I would need the great-grandparent of the file.

Try this
tell application "System Events" to set grandparent to path of container of container of (path to me)

Related

Applescript can't set name of file

So I'm trying to rename a file using Applescript. I searched it up and apparently the command is set name of file theFile to theString. I tried it and it didn't work. I got the error -10006, which (according to https://www.osstatus.com) is either errAEWriteDenied, errOSACantAssign or telCAUnavail, but I think it's probably the first one. Before you ask, I am the administrator of my machine and path to desktop links to the own Desktop to which I 100% have access. I don't know if that matters (it really shouldn't), but my Desktop is stored in my iCloud.
set thePath to the POSIX path of (path to desktop)
set theName to "hello world.txt"
set theFile to thePath & theName
set the name of file theFile to "hello.txt"
Only the Finder or System Events is able to set the name. In Finder it’s pretty easy because the desktop of the current user is the root folder.
tell application "Finder"
set theFile to "hello world.txt"
set theName to "hello"
set the name of file theFile to theName & ".txt"
end tell
By the way, the Finder doesn’t know about POSIX paths, it prefers HFS paths (colon separated)

Get the name of the parent directory of an applescript file

I'm making a small script that needs to use the name of the parent directory of the script itself (.scpt file) a variable.
For example, the script is located at /Users/spongebob/MyProject/myscript.scpt
I need to set the variable called myprojectdir to MyProject.
I've tried
set myprojectdir to parent of POSIX path of me
and other variations of this based on search results but I always end up with an error
Can’t get POSIX path.
Where am I going wrong?
Thanks
AppleScript itself has no idea.
You have to ask System Events
tell application "System Events" to set myprojectdir to name of container of (path to me)
or the Finder
tell application "Finder" to set myprojectdir to name of parent of (path to me)

Selecting POSIX file based on file name

I'm having trouble accessing this file while trying to select it on the beginning characters basis...
set location to "/Users/myuser/Desktop/"
set bom to POSIX file (location & (first file of location whose name begins with "thisFile"))
tell application "Preview" to open bom
is it path/alias vs text type of a thing?
Only System Events and the Finder know what a file in the file system is.
The Finder has a property desktop which points always to the desktop of the current user.
tell application "Finder" to set bom to first file of desktop whose name begins with "thisFile"
tell application "Preview" to open (bom as alias)
Or with an arbitrary POSIX path
set location to POSIX file "/Users/myuser/Desktop" as text
tell application "Finder" to set bom to first file of folder location whose name begins with "thisFile"
tell application "Preview" to open (bom as alias)
The alias coercion is needed because Preview doesn't recognize Finder file specifier objects.
vadian's answer works well, but it's worth mentioning that:
you can get access to well-known folders even in the default context, outside the context of System Events and Finder; e.g.:
path to desktop
path to home folder
Use, e.g., POSIX path of (path to home folder) to get the POSIX path.
using context System Events is usually preferable to the Finder context, for reasons of both performance and predictability.
With an arbitrary target folder, using a POSIX path:
tell application "System Events"
set targetFolder to alias "/Users/jdoe/Desktop"
# equivalent of: set targetFolder to (path to desktop)
set targetFile to first file of targetFolder whose name starts with "thisFile"
end tell
tell application "Preview" to open targetFile
Alternatively, if you know your way around the shell, you could try:
set targetFilePosixPath to do shell script "fls=(~/Desktop/*.pdf); printf %s \"$fls\""
tell application "Preview" to open (POSIX file targetFilePosixPath as alias)

AppleScript path relative to script location

I'm trying to launch a Finder window of a folder that's in the same directory as my script. When I run the code below, it launches a blank Finder window set to the path of the script not to the folder.
tell application "Finder"
tell application "Finder" to make new Finder window
set file_path to (path to me) as text
set target of Finder window 1 to file_path
end tell
How can I get the path to the folder of the script, not the script?
You were close. You do not need the text version of the file, you only need the file itself, then you can ask Finder for that file's container:
tell application "Finder"
tell application "Finder" to make new Finder window
set file_path to (path to me)
set target of Finder window 1 to file_path's container
end tell
The shortest way I know to do this is:
tell application "Finder" to open ((path to me as text) & "::")
Editing your script renders the following:
tell application "Finder"
make new Finder window -- There is no need for an your second tell statement
set file_path to (path to me as text) & "::" -- Goes up one directory
set target of Finder window 1 to file_path
end tell

Applescript path to application using variable

If I have an applescript snippet such as this
tell application "Finder"
set thePath to (POSIX path of (path to application "MyApp"))
end tell
it will return to me
"/Applications/MyApp.app"
Now, what I can't seem to figure out is how to instead specify "MyApp" via a variable rather than the literal.
My applescript reads in some XML values, one of them being the name of the application I'm interesting in. I've tried this:
tell application "Finder"
set thePath to (POSIX path of (path to application someVariable))
end tell
but this simply tells me the error
"Finder got an error: Can't make application "MyApp" into type constant."
Any ideas how I can do this?
The answer (or at least one answer) is:
set theApp to "MyApp"
set pathToTarget to POSIX path of (path to application theApp)
Since path to application is a part of Standard Additions, the Finder is not needed.
Thanks to Stephan K on MacScripter for setting me straight on this.

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