Example 5: C-style for Loop #!/bin/zshfor((i=1;i<=5;i++))doecho"Number:$i"done Practical Example: Creating Backup Files Create the script file backup.sh: nano backup.sh Add the following content: #!/bin/zshsourc
那是我们只需要那一个数据,当我们需要多个数据的时候我们就需要将result set 设置为Full result set,先来个整体效果,再说明下:手机充值:http://yjck67.taobao.com,自己的小店 先要说下,这个东西要干什么,PONumber中先查询一...
Number:1Number:3Number:4Number:5 Bash For循环示例 使用文件名中的空格重命名文件 以下示例显示如何使用Bash for循环通过将空格替换为下划线来重命名当前目录中的所有文件,并在其名称中带有空格。 forfilein*\*;domv"$file""${file///_}"done 我们逐行细分代码: 第一行创建一个for循环,并循环访问名称中带有...
Exchange increment2for any number less than the distance between the range to get values for different intervals. The seq Command Theseqcommand generates a number sequence. Parse the sequence in the Bash scriptforloop as a command to generate a list. For example: #!/bin/bash # For loop wit...
for i in {0..20..5} do echo "Number: $i" done Over Array Elements While one can use the for loop for numbers and strings, programmers can even leverage the same to repeat over a range. For example, we will state an array - Players and iterate over each of the elements of the ...
在bash shell中,break命令用于立即终止当前循环的执行。例如,以下是一个使用break命令的for循环示例:#break out of a for loopfor var in {1..9}do echo "The next number is $var" if [ $var -eq 5 ] then break fidone 在这个示例中,当变量var的值为5时,整个循环将被立即终止。【con...
考虑一下我在开始提到的最简单的场景。让我们使用for循环打印从 1 到 10 的数字: #!/bin/bash for num in {1..10}; do echo $num done 如果你运行它,你应该会看到像这样的输出: $ ./for-loop.sh 1 2 3 4 5 6 7 8 9 10 你也可以使用for num in 1 2 3 4 5 6 7 8 9 10; do,但是...
在Bash脚本,有3种类型loops:for loop,while loop, 和until loop. 这三个用于迭代值列表并执行一组给定的命令。 Bash For 循环语法 for loop遍历一系列值并执行一组命令。 For loop采用以下语法: forvariable_name in value1 value2 value3..ndocommand1 ...
8. Bash for loop using C program syntax This example uses the 2nd method of bash for loop, which is similar to the C for loop syntax. The following example generates 5 random number using the bash C-style for loop. $ cat for8.sh ...
for OUTPUT in $(Linux-Or-Unix-Command-Here) do command1 on $OUTPUT command2 on $OUTPUT commandN done 1. 2. 3. 4. 5. 6. Examples This type of for loop is characterized by counting. The range is specified by a beginning (#1) and ending number (#5). The for loop executes a seq...