Introduction:
for loop is one of the most used control flow statements in any scripting or programming language, if you want to do some task using bash shell that is repetitive, you can make use of for loop in bash, let's see some examples,
Syntax:for variable_name in 1 2 3 4 .. n
do
command/statement 1
command/statement 2
...
...
command/statement n
done
#!/bin/bash
#Mutiplication Table of Two
no=2
for num in 1 2 3 4 5 6 7 8 9 10
do
echo $(($num*$no))
done
Example:
#!/bin/bash
#Mutiplication Table of Two
no=2
for num in {1..10}
do
echo $(($num*$no))
done
Syntax:
for (( initializer; condition; step ))
do
command/statement
...
command/statement
done
Example:
#!/bin/bash
#Mutiplication Table of Two
no=2
for (( i=1; i<=10; i++ ))
do
echo $(($i*$no))
done
![for loop in bash example for loop in bash example](https://code2care.org/tutorial/bash-for-loop/images/for loop in bash example.png)
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Author Info:
Rakesh (He/Him) has over 14+ years of experience in Web and Application development. He is the author of insightful How-To articles for Code2care.
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