Agent_xidi的专栏

16:34xargs将标准输入的参数转换成命令行参数。xargs命令应紧跟在管道命令之后。例如：Command ｜xargs示例：查找当前目录下内容包含字符串“main”的文件$ ls |xargs grep  'main'删除后缀名为txt的文件$ find . -type f-name "*.txt" -print0 | xargs -0 rm -f-0 将

Regular arrays are arrays which can use onlyintegers as its array index. But associativearrays are arrays which can take a string as its array index. array_var=(1 2 3 4 5 6)#Values will be s

一、搜寻特定字符串 1）普通查找 grep -n 'the'regular_express.txt  2）反向选择 grep -vn 'the'regular_express.txt  3）忽略大小写 grep -in 'the'regular_express.txt  二、利用中括号[] 来搜寻集合字符  搜寻 test OR taste