从shell脚本objective-c获取结果

#import<Foundation/Foundation.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        NSInteger result = 2 + 2;
        NSLog(@"The result is: %ld", (long)result);
    }
    return 0;
}

#!/bin/bash

# Compile the Objective-C code
clang -framework Foundation main.m -o main

# Run the compiled program and store the result in a variable
result=$(./main)

# Print the result
echo "The result of the Objective-C code is: $result"

chmod +x run_objective_c.sh
./run_objective_c.sh

The result of the Objective-C code is: The result is: 4