https://www.runoob.com/linux/linux-comm-grep.html https://www.tutorialspoint.com/unix_commands/grep.htm https://www.geeksforgeeks.org/fold-command-in-linux-with-examples/
awk command splits the record delimited by whitespace character by default and stores it in the $n variables. $ awk print '{$3 $6}' # prints the third and sixth column, delimeter = " " https://www.geeksforgeeks.org/awk-command-unixlinux-examples/ Combining what we just learned $ g...
可以在一个或多个文件中查找匹配某个正则表达式的文本行，并输出所在行。grep命令是在Linux操作系统和...
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每日一题 https://github.com/WindrunnerMax/EveryDay 参考 https://www.runoob.com/linux/linux-comm-grep.html https://www.tutorialspoint.com/unix_commands/grep.htm https://www.geeksforgeeks.org/fold-command-in-linux-with-examples/