/bin/bash</p> <p>while true</p> <p>do</p> <p> echo "endless loop"</p> <p>done</p> <p>可以在 if/then 中作占位符:</p> <p>#!/bin/bash</p> <p>condition=5</p> <p>if 【 $condition -gt 0 】 </p> <p>#gt表示greater than,也就是大于,同样有-lt(小于),-eq(等于)...
echo echo "This script needs at least $MINPARAMS command-line arguments!" fi echo exit 0 运行代码: bash test30.sh 1 2 10 The name of this script is "test.sh". The name of this script is "test.sh". Parameter #1 is 1 Parameter #2 is 2 --- All the command-line parameters are...
/bin/bash2# 示例代码: 冒号 colon,空命令nullcommand3# 例1:死循环 Endless loop45while: #本行等同于whiletrue6do7operation-18operation-29opreation-310operation-411done1213#例2:if/then的占用符 placeholder1415ifcondition16then: #什么都不做,引出分支,有可能以后补充17else18take-some-action19fi2021#例...
Loops are an important building block in a shell script which allows to iterate over a section of code. The bash loop constructs include the for loop, while loop, and until loop. 👉 Sometimes, you may find references to a select loop in bash. It is not part of the bash loop ...
A nested loop is a loop within a loop. When working with arrays, you might find a situation where you need to loop through multiple arrays simultaneously. For example, you might have a script that needs to compare the elements of two arrays. Here’s an example: ...
echo "endless loop" done 1. 2. 3. 4. 5. 6. 等价于 #!/bin/bash while true do echo "endless loop" done 1. 2. 3. 4. 5. 6. 可以在 if/then 中作占位符: #!/bin/bash condition=5 if [ $condition -gt 0 ] #gt表示greater than,也就是大于,同样有-lt(小于),-eq(等于) ...
12.4. Control bash loop with Here is a example of while loop controlled by standard input. Until the redirection chain from STDOUT to STDIN to the read command exists the while loop continues. #!/bin/bash# This bash script will locate and replace spaces ...
echo "Script arguments: $@" echo "First arg: $1. Second arg: $2." echo "Number of arguments: $#" Now let’s try running the script a few times in a few different ways: bashvars.sh ## Script arguments: ## First arg: . Second arg: . ...
Get the terminal size in lines and columns (from a script)This is handy when writing scripts in pure bash and stty/tput can’t be called.Example Function:get_term_size() { # Usage: get_term_size # (:;:) is a micro sleep to ensure the variables are # exported immediately. shopt -...
bb.sh fix trash-feature to not loop endless Sep 27, 2018 Repository files navigation README GPL-3.0 license bashblog A single Bash script to create blogs. I created it because I wanted a very, very simple way to post entries to a blog by using a public folder on my server, without ...