BATCH SCRIPTING// ARRAYS // Batch Scripting Part -13- ARRAYS
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Title: BATCH SCRIPTING// ARRAYS // Batch Scripting Part 13 ARRAYS
In this lesson, you will be learning about ARRAYS for Batch Script.
Arrays are not specifically defined as a type in Batch Script but can be implemented. The following things need to be noted when arrays are implemented in Batch Script i.e
1.Each element of the array needs to be defined with the set command.
2.The ‘for’ loop would be required to iterate through the values of the array.
Creating an Array : An array is created by using the following set command.
set a[0]=1
Where 0 is the index of the array and 1 is the value assigned to the first element of the array.
Another way to implement arrays is to define a list of values and iterate through the list of values. The following example show how this can be implemented.
Example
@echo off
set list = 1 2 3 4
(for %%a in (%list%) do (
echo %%a
))
Output
The above command produces the following output.
1
2
3
4
Accessing Arrays : You can retrieve a value from the array by using subscript syntax, passing the index of the value you want to retrieve within square brackets immediately after the name of the array.
Example
@echo off
set a[0]=1
echo %a[0]%
In this example, the index starts from 0 which means the first element can be accessed using index as 0, the second element can be accessed using index as 1 and so on. Let's check the following example to create, initialize and access arrays −
@echo off
set a[0] = 1
set a[1] = 2
set a[2] = 3
echo %a[0]%
echo %a[1]%
echo %a[2]%
The above command produces the following output.
1
2
3
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