Method 1: Split string using read command in Bash Here’s my sample script for splitting the stringusing read command: #!/bin/bash # # Script to split a string based on the delimiter my_string="Ubuntu;Linux Mint
shell 在bash中将字符串拆分为数组简介 在这个函数的底部，你会发现一个函数，它可以将string转换为一个array，语法如下：使用
mails2=($IN) 我在循环中打印它时只得到第一个字符串,没有括号围绕$IN它起作用。 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。 IFS=';'read-ra ADDR ...
_repeat() { #@ USAGE: _repeat string number _REPEAT=$1 while (( ${#_REPEAT} < $2 )) ## Loop until string exceeds desired length do _REPEAT=$_REPEAT$_REPEAT$_REPEAT ## 3 seems to be the optimum number done _REPEAT=${_REPEAT:0:$2} ## Trim to desired length } repeat() { ...
In this example, we used awk to split a string into an array. Thesplitfunction in awk divides the string into an arrayausing space as the delimiter. We then printed the second element of the array, resulting in the output ‘Array’. ...
Split a string on a delimiterCAVEAT: Requires bash 4+This is an alternative to cut, awk and other tools.Example Function:split() { # Usage: split "string" "delimiter" IFS=$'\n' read -d "" -ra arr <<< "${1//$2/$'\n'}" printf '%s\n' "${arr[@]}" }...
When no array variable name is provided to the mapfile command, the input will be stored into the $MAPFILE variable. Note that the mapfile command will split by default on newlines character but will preserve it in the array values, you can remove the trailing delimiter using the -t ...
read is a bash built-in command that reads a line from the standard input (or from the file descriptor) and split into words.
split() { # Usage: split "string" "delimiter" IFS=$'\n' read -d "" -ra arr <<< "${1//$2/$'\n'}" printf '%s\n' "${arr[@]}" }Example Usage:$ split "apples,oranges,pears,grapes" "," apples oranges pears grapes $ split "1, 2, 3, 4, 5" ", " 1 2 3 4 5 #...
string. Substrings matched by parenthesized subexpressions within the regular expression are saved in the array variable BASH_REMATCH. The element of BASH_REMATCH with index 0 is the portion of the string matching the entire regular expression. The element of ...