On Sat, 21 Mar 2009 12:38:11 -0500, Steve Cronin <steve_cro...@mac.com>
said:
>Folks;
>
>I'm trying to get a string value back from a simple AppleScript in
>Cocoa:
>
>NSDictionary *errorDict= nil;
>NSAppleScript *appleScriptObject = [[NSAppleScript alloc]
>initWithSource:theScript];
>NSAppleEventDescriptor *eventDescriptor = [appleScriptObject
>executeAndReturnError: &errorDict];
>[appleScriptObject release];
>if (([eventDescriptor descriptorType]) && (errorDict==nil)) {
> return [self stringFromAppleEventDescriptor:eventDescriptor]; //my
>own method that checks descriptorType and returns stringValue
>} else {
> NSLog(@"%@",[errorDict objectForKey:@"NSAppleScriptErrorMessage"]);
> return nil;
>}
>
>The 'theScript' is a valid script that executes flawlessly in 'Script
>Editor':
>tell application "Finder"
> try
> comment of file ("/Users/steve/...." as POSIX file)
> on error
> return "Error"
> end try
>end tell
>
>The problem is that the above errors out @ [appleScriptObject
>executeAndReturnError: &errorDict];
>The stack is shown below.
That's hard to answer because you're so obviously lying. You are not
reporting what you're really doing. What is theScript really? A string? Show
us the string. And clearly you are not really saying /Users/steve/...., so
show us what you *are* saying.
Let me show you how to answer. Here is a *complete* valid chunk of *real*
Objective-C code:
NSString* theScript = @"tell application \"Finder\"\n"
@"try\n"
@"set pp to \"/Users/mattneub/Desktop/BrahmsHandel2.mus\"\n"
@"comment of file (pp as POSIX file)\n"
@"on error\n"
@"return \"Error\"\n"
@"end try\n"
@"end tell\n";
NSDictionary *errorDict= nil;
NSAppleScript *appleScriptObject = [[NSAppleScript alloc]
initWithSource:theScript];
NSAppleEventDescriptor *eventDescriptor = [appleScriptObject
executeAndReturnError: &errorDict];
[appleScriptObject release];
if (([eventDescriptor descriptorType]) && (errorDict==nil)) {
NSLog(@"%@", [eventDescriptor stringValue]);
} else {
NSLog(@"%@",[errorDict objectForKey:@"NSAppleScriptErrorMessage"]);
}
I actually ran that code and it actually works (the finder comment from the
specified file appears in the log). Okay, now it's your turn. :) m.
--
matt neuburg, phd = m...@tidbits.com, <http://www.tidbits.com/matt/>
A fool + a tool + an autorelease pool = cool!
AppleScript: the Definitive Guide - Second Edition!
http://www.tidbits.com/matt/default.html#applescriptthings
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