[Edit]

Bash - for loop in range

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Created by:

Wade

562

This article will show you how to use for loop in range in Bash.

Syntax:

xxxxxxxxxx
 
#!/bin/bash
​
for variable in {START..END..STEP}
do
    # We refer to the current value of the variable by $variable
done

Note:

If you don't give a step and just write {START..STOP}, the default value of the step is 1.

Practical examples

Edit

xxxxxxxxxx
 
#!/bin/bash
​
for number in {1..5}
do
    echo $number
done

Output:

xxxxxxxxxx
 
1
2
3
4
5

Example with step

Edit

xxxxxxxxxx
 
#!/bin/bash
​
for number in {0..20..4}
do
    echo $number
done

Output:

xxxxxxxxxx
 
0
4
8
12
16
20

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