摘要: grep -q用于if逻辑判断 突然发现grep -q 用于if 逻辑判断很好用。 -q 参数,本意是 Quiet; do not write anything to standard output. Exit immediately with zero status if any match is 阅读全文
posted @ 2023-02-06 10:20 滴滴滴 阅读(151) 评论(0) 推荐(0)