In Bash scripting, you may often come across the dollar sign followed by an at-sign, written as $@. This notation plays a crucial role in handling script arguments, and understanding it can...
$@表示传递给脚本或函数的所有参数,与$*不同,$@在双引号中保持每个参数独立,适合处理包含空格的参数。使用时应加引号以避免分割问题,函数中也可使用。