shell开发基础编程入门

Spark修炼之道（基础篇）——Linux大数据开发基础：第九节：Shell编程入门(一)

本节主要内容 shell编程简介变量定义常用特殊变量 1.shell编程简介学习linux操作系统最让人着迷的事情莫过于shell脚本编程，这是因为如果要完成某些复杂的功能，单纯地通过GUI操作不可能达到，shell脚本可以直接与操作系统内核打交道，...

Spark修炼之道（基础篇）——Linux大数据开发基础：第十节：Shell编程入门（二)

root@sparkmaster:~/ShellLearning/chapter10#echo"Shell Scripting 1">shell.txt/以追加的方式将标准输出重定向到文件 root@sparkmaster:~/ShellLearning/chapter10#echo"Shell Scripting 2">>shell.txt root@sparkmaster:~/ShellLearning...

Spark修炼之道（基础篇）——Linux大数据开发基础：第十二节：Shell编程入门（四)

i+))do echo$i done(3)for i in ls root@sparkslave02:~/ShellLearning/Chapter12#vim forloop3.sh for i in `ls` do echo$i done root@sparkslave02:~/ShellLearning/Chapter12#chmod a+x forloop3.sh root@sparkslave02:~/ShellLearning/...

Spark修炼之道（基础篇）——Linux大数据开发基础：第十一节：Shell编程入门（三)

本节主要内容 shell数组 shell命令别名时间操作 1.Shell数组同C、C++等语言一样，shell脚本也提供了数组这样一个重要的数据结构，shell中的数组有两种，一种为普通数组，另外的一种称为关联数组。普通数据的存取通过整数进行，关联数组的...

Spark修炼之道（基础篇）——Linux大数据开发基础：第十四节：Shell编程入门（六)

case的反拼写法 esac root@sparkslave02:~/ShellLearning/Chapter14#chmod a+x case01.sh root@sparkslave02:~/ShellLearning/Chapter14#./case01.sh My system is Linux Do Linux stuff here.2.read命令 read命令在shell脚本中很重要，学...

Spark修炼之道（基础篇）——Linux大数据开发基础：第十三节：Shell编程入门（五)

bin/bash i=1 while(($i))do echo$i let i+done root@sparkslave02:~/ShellLearning/Chapter13#chmod a+x whileLoop.sh root@sparkslave02:~/ShellLearning/Chapter13#./whileLoop.sh 1 2 3 4（2）标志符结束while循环 root@sparkslave02:~...

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