Bash - get string length

In this article, we would like to show you how to get string variable length in Bash.

Quick solution:

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length=${#string}

In this example, we present how to use # operator to get string variable length. Then we use echo command to display the result in the console.

Example script.sh file:

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#!/bin/bash

​

string="abc"

length=${#string}

​

echo "Length: $length"

Run in command line:

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./script.sh

Output:

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Length: 3