[Edit]

Bash - while loop

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Created by:

Teilsa

1315

This article will show you how to use the while loop in Bash.

Syntax:

xxxxxxxxxx
 
#!/bin/bash
​
while : 
do 
    echo "Hello"
done

Practical example

Edit

xxxxxxxxxx
 
#!/bin/bash
​
i=0
while ((i < 5))
do
    echo $((i++))
done

Output:

xxxxxxxxxx
 
0
1
2
3
4

Infinite loop

Edit

xxxxxxxxxx
 
#!/bin/bash
​
while : 
do 
    echo "Hello"
done

Output:

xxxxxxxxxx
 
Hello
Hello
Hello
Hello
Hello
Hello
Hello
Hello
Hello
Hello
Hello
Hello
Hello
...

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