The following is a full example of how to compile
and objective-c file with gcc and run with Livecode.
1. Open a text editor and paste the following
objective-c code:
#import <Foundation/Foundation.h>
int main(int argc, const char * argv[]) {
@autoreleasepool {
NSString *arg1 = [NSString stringWithUTF8String:argv[1]];
NSString *arg2 = [NSString stringWithUTF8String:argv[2]];
NSLog(@"\nArgument 1: %@\n", arg1);
NSLog(@"\nArgument 2: %@\n", arg2);
NSError * error = NULL;
//NSString *myString = @"This is simple test."; //Assuume the string
you want to write is this
NSString *myString = arg1;
NSArray *paths =
NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
//NSString *path = [documentsDirectory
stringByAppendingPathComponent:@"myfile.txt"];
NSString *path = [documentsDirectory
stringByAppendingPathComponent:arg2];
//[myString writeToFile:path atomically:NO
encoding:NSUTF8StringEncoding error:&error];
BOOL success = [myString writeToFile:path atomically:NO
encoding:NSUTF8StringEncoding error:&error];
if(success == NO)
{
NSLog( @"\nerror saving to %@ - %@\n", path, [error
localizedDescription] );
} else {
NSLog( @"\nThe file %@ was saved.\n", path);
}
}
return 0;
}
2. Save the file on desktop as argv_string.m
3. Open the Terminal app and type the following
to compile your file;
cd ~/desktop
gcc argv_string.m -o argv_string -framework Foundation
The compiled file should now be on the desktop.
4. Paste the following in a button in Livecode.
Make sure you created a field and enter it in
the code below;
on mouseUp
set the defaultFolder to "/Users/JB/Desktop/"
put quote & "This is a simple test." & quote into tFILE1
put quote & "My File.txt" & quote into tFILE2
put shell( "./argv_string" && tFILE1 && tFILE2) into pData
put pData into fld <YOURFIELD>
beep 2
end mouseUp
good luck!
JB
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