Clear recent items in OS X without logout.

gistfile1.m

#import <Foundation/Foundation.h>


int main(int argc, const char * argv[])
{

    @autoreleasepool {
        LSSharedFileListRef recentDocsList = LSSharedFileListCreate(NULL, kLSSharedFileListRecentDocumentItems, NULL);
        LSSharedFileListRemoveAllItems(recentDocsList);
        NSLog(@"Cleared files!");
        
    }
    return 0;
}