One of the many scripting constructs is the loop. A loop is a section of code that picks up data or generates data and then performs some operation on the data and then begins the process over again until some condition is met, the script is disrupted, or when input data is exhausted. ...
WHILE loop - read line of a file one by one, I'm using a "while" loop within a shell script (BASH) to read line of a file (one by one) -- "Fortunately", its not working the No. of times the file has lines in it. Here's the summary: $ cat inputfile.txt Utilizing For L...
Shell script Tutorial Series : WHILE loop, Infinite Loop, Usage of Break & Continue - Part12 Duration: 9:43 Leaving a while loop to execute next command in BASH script in a linux environment Solution: Try this variant of script: #!/bin/bash DIR_TO_CHECK='/home/tmp/fun_temp/' OLD_ST...
文章被收录于专栏:linux运维学习 for循环 语法:for 变量名 in 条件; do …; done for循环会以空格作为分隔符 案例1 代码语言:javascript 复制 #!/bin/bash sum=0 for i in `seq 1 100` do sum=$[$sum+$i] echo $i done echo $sum 文件列表循环 代码语言:javascript 复制 #!/bin/bash cd /etc/...
Linux Shell中的循环控制语句 在编写Shell脚本时，循环是一种常用的控制结构，用于重复执行一系列命令。在...
linux中的for、while循环输出中赋值变量及shell中循环获取脚本参数,今晚在《高级bash+脚本编程指南》中看到使用for和while循环语句赋值变量的脚本,觉得很有创意。。从循环的输出中产生一个变量###StartScript###
Explanation of the above shell script The true keyword turns the while loop into an infinite loop sincethe exit statusor condition to be checked by the while loop will always literally be true. This is followed by the “; operator” which is useful toconcatenating/chaining commands in Linux/...
Shell编程中循环命令用于特定条件下决定某些语句重复执行的控制方式,有三种常用的循环语句:for、while和until。while循环和for循环属于“当型循环”,而until属于“直到型循环”。循环控制符:break和continue控制流程转向。参考:《Linux 与unix shell 编
When executed, this script displays the following: 当执行的时候,这个脚本显示如下信息: 代码语言:javascript 复制 [me@linuxbox~]$while-count12345Finished. The syntax of thewhilecommand is: while 命令的语法是: 代码语言:javascript 复制 whilecommands;docommands;done ...
以上面 sh11-2.sh 来说,假如我下达:『 sh sh11-2.sh one 』 这表示在 shell script 内的 $1 为 "one" 这个字符串。但是在 printit() 内的 $1 则与这个 one 无关。 我们将上面的例子再次的改写一下,让您更清楚! [root@linux scripts]# vi sh11-3.sh...