I got the following error when u changed the foreach loop to yours: 
Please enter a string
apple
Use of uninitialized value $data in hash element at p3task6.pl line 30
+, <STDIN> line 2.
Use of uninitialized value in string eq at p3task6.pl line 30, <STDIN>
+ line 2.
Use of uninitialized value $data in hash element at p3task6.pl line 30
+, <STDIN> line 2.
Use of uninitialized value in string eq at p3task6.pl line 30, <STDIN>
+ line 2.
Use of uninitialized value $data in hash element at p3task6.pl line 30
+, <STDIN> line 2.
Use of uninitialized value in string eq at p3task6.pl line 30, <STDIN>
+ line 2.
Use of uninitialized value $data in hash element at p3task6.pl line 30
+, <STDIN> line 2.
Use of uninitialized value in string eq at p3task6.pl line 30, <STDIN>
+ line 2.
Use of uninitialized value $data in hash element at p3task6.pl line 30
+, <STDIN> line 2.
Use of uninitialized value in string eq at p3task6.pl line 30, <STDIN>
+ line 2.
Use of uninitialized value $data in hash element at p3task6.pl line 30
+, <STDIN> line 2.
Use of uninitialized value in string eq at p3task6.pl line 30, <STDIN>
+ line 2.
Use of uninitialized value $data in hash element at p3task6.pl line 30
+, <STDIN> line 2.
Use of uninitialized value in string eq at p3task6.pl line 30, <STDIN>
+ line 2.
Use of uninitialized value $data in hash element at p3task6.pl line 30
+, <STDIN> line 2.
Use of uninitialized value in string eq at p3task6.pl line 30, <STDIN>
+ line 2.
Please enter a string

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In reply to Re^2: Extracting single element from array to be printed in a one liner hash by wildguess123
in thread Extracting single element from array to be printed in a one liner hash by wildguess123

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