How to Split a String based on Delimiter in Bash Scripting

In Bash scripting, we can split a string into substrings based on a delimiter using the built-in IFS - Internal Field Separator variable and the read command.

Let's take a look at an example.

Example 1:

#!/bin/bash

data_string="1,2,3,4,5,6,7,8,9,10"

delimiter=","

IFS="$delimiter"

read -ra str_array <<< "$data_string"

for element in "${str_array[@]}"; do
    echo "$element"
done

Example 2: Delimiter as Pipe

#!/bin/bash

data_string="USA|UK|China|Japan|India|France"

IFS="|"

read -ra str_array <<< "$data_string"

for element in "${str_array[@]}"; do
    echo "$element"
done