Bash cannot return values, whether a single value or an array, but it can return a status (the same as other programs). However, there are multiple turnarounds that we can use to return an array from a function. Let’s explore them below. Using nameref Feature To return the entire ar...
# read-single: read multiple values into default variable echo -n "Enter one or more values > " read echo "REPLY = '$REPLY'"上面脚本的运行结果如下。$ read-single Enter one or more values > a b c d REPLY = 'a b c d'read命令除了读取键盘输入,可以用来读取文件。#...
上面代码表示,echo命令即是内置命令,也有对应的外部程序。 type命令的-t参数,可以返回一个命令的类型:别名(alias),关键词(keyword),函数(function),内置命令(builtin)和文件(file)。 $ type -t bash file $ type -t if keyword 上面例子中,bash是文件,if是关键词。 快捷键 Bash 提供很多快捷键,可以大大方便...
az account show --query [name,id,user.name] # return multiple values az account show --query [name,id,user.name] -o table # return multiple values as a table For more information about returning multiple values, see Get multiple values. Renaming properties in a query The following querie...
# Multiple arguments can also be passed. $ random_array_element 1 2 3 4 5 6 7 3 1. 2. 3. 4. 5. 6. 7. 循环一个数组 每次printf调用时,都会打印下一个数组元素。当 打印到达最后一个数组元素时,它 再次从第一个元素开始。 arr=(a b c d) ...
function function_name {first commandsecond command}This method also has a single-line version:function function_name { first command; second command; }For example, we can write two functions with multiple echo commands:#!/bin/bashhello_world () {echo “Hello, World!”echo “This is a test...
BASH_ARGC An array variable whose values are the number of param- eters in each frame of the current bash execution call stack. The number of parameters to the current subrou- tine (shell function or script executed with . or source) is at the top of the stack. When a subroutine is ...
Used to get all values in the array. ${array[1]} Get the last value in the array. ${array[@]} Expand all of the array elements. shift Move argument from $2 to $1. function() { content-of-function } Used to define a function. alias Used to list all aliases defined in the cur...
# Multiple arguments can also be passed. $ random_array_element 1 2 3 4 5 6 7 3 循环一个数组 每次printf调用时,都会打印下一个数组元素。当 打印到达最后一个数组元素时,它 再次从第一个元素开始。 arr=(a b c d) cycle() { printf '%s ' "${arr[${i:=0}]}" ...
See also kubernetes_get_secret_values.sh to debug the actual values that got loaded. See also Sealed Secrets / External Secrets in my Kubernetes repo gcp_secrets_to_kubernetes_multipart.sh - creates a Kubernetes secret from multiple GCP secrets (used to put private.pem and public.pem into ...