Q. A user-defined variable is initialized to ____

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Q. awk uses ___ operator for concatenating strings.

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Q. awk uses __ and __ as comparison operators.

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Q. awk allows the user to use variables of his own choice.

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Q. Which option is used for storing awk programs in a file?

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Q. ____ section can be used if we’ve to print something after processing the last line.

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Q. awk uses ____ for providing comments.

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Q. Which of the following is a built-in variable for awk?

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Q. FS defines the field separator.

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Q. Which built variable is used for defining the field delimiter in the output?

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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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