Q. The ____ variable stores the name of the file currently being processed.

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Q. Which of the following is not a built-in variable used by awk?

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Q. awk supports the use of arrays.

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Q. Which of the following is not true about awk arrays?

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Q. Which of the following is an associative array?

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Q. Which function is used by perl for displaying the length of a string?

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Q. ___ function returns the first occurrence of a character in a string.

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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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