Q. For extracting a substring, ____ function is used.

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Q. substr function is also used to alter an existing string.

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Q. Which function is used by perl for reversing a string?

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Q. Which function is used for handling substitutions in perl?

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Q. Which escape character is used for identifying a word character?

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Q. We can use find command for testing files with perl.

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Q. Which of the following is referred to as default variable?

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Q. ___ operator is used for selecting current line number.

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Q. ___ is known as range operator.

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Q. The command @x=(1. .10) will assign first ten integer values to the array ‘a’.

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Q. The ___ prefix to an array name signifies the last index of the array.

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Q. For deleting the elements from the left of the array ___ function is used.

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Q. For deleting the elements from the right of the array ___ function is used.

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Q. To add elements to the left side of the array ____ function is used.

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Q. To add elements to the right side of the array ____ function is used.

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Q. Which function can combine the functionalities of push, pop, unshift and shift?

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Q. Perl also supports use of for loop in the following manner.

for($i=0;$i<3;$i++){ }

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Q. For splitting a line or expression into fields, __ is used.

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Q. ___ function is used for joining lists.

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Q. perl is ____ of grep, tr, sed and awk.

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