2331 Loop through an array of strings in Bash? 2968 How do I split a string on a delimiter in Bash? 1897 How do I prompt for Yes/No/Cancel input in a Linux shell script? 3168 How can I check if a program exists from a Bash script? 960 How to split a strin...
How do I split a string on a delimiter in Bash? 示例如下: IN="bla@some.com;john@home.com" arrIN=(${IN//;/ }) echo ${arrIN[1]} 分隔字符串为数组 IFS=', ' read -r -a array <<< "$string" How to split a string into an array in Bash?
在Bash 中将字符串拆分为数组Created: November-22, 2018 假设我们有一个 String 参数,我们想用逗号分割它 my_param="foo,bar,bash" 要用逗号分割这个字符串,我们可以使用; IFS=',' read -r -a array <<< "$my_param" 这里,IFS 是一个名为内部字段分隔符的特殊变量,它定义了用于将模式分离为某些操...
我在循环中打印它时只得到第一个字符串,没有括号围绕$IN它起作用。 答案 您可以设置内部字段分隔符(IFS)变量,然后将其解析为数组。当在命令中发生这种情况时,对IFS的分配仅发生在该单个命令的环境中(要read)。然后它根据IFS变量值将输入解析为一个数组,然后我们可以迭代它。
String manipulationis one of the fundamental concepts in bash scripting. In programming, strings are one of the data types which are an ordered sequence of characters. It is important that you know how to create and manipulate strings in bash. In this guide, we will learnstring manipulation in...
进程替换. (command)> <(command) 在一种不同的上下文中, "<"和">"可用来做 字符串比较操作. 在另一种上下文中, "<"和">"可用来做 整数比较操作. 参见例子 12-9. << 用在here document中的重定向. <<< 用在here string中的重定向. <, > ASCII comparison. 1 veg1=carrots 2 veg2=...
bashopts_declare -n first_name -l first -o f -d"First name" -t string -i -s -r bashopts_declare -n last_name -l last -o l -d"Last name" -t string -i -s -r bashopts_declare -n display_name -l display-name -t string -d"Display name" -e"\$first_name \$last_name"...
很有可能一个简单的awk过程就可以执行从使用grep处理的“clientlist”开始的整个任务(awk具有grep内置的...
Knowing that you can split string into "array". You could creat a list of lists. Like for example a list of databases in DB servers. dbServersList=('db001:app001,app002,app003' 'db002:app004,app005' 'dbcentral:central') # Loop over DB servers for someDbServer in ${dbServersList...
Split a String in Bash When you need to split a string in bash, you can use bash's built-inreadcommand. This command reads a single line of string from stdin, and splits the string on a delimiter. The split elements are then stored in either an array or separate variables supplied wi...