Q. To repeat a string, perl uses ___ operator.

View solution

Q. Which of the following are concatenation operators?

View solution

Q. If a variable is undefined, its value is ____

View solution

Q. When a string is used for numeral computations, perl converts it into ___

View solution

Q. perl variables have no type and no initialization.

View solution

Q. ___ function is used for removing the last character from the line.

View solution

Q. It is often more convenient to save perl program files with ____ extension.

View solution

Q. To test whether perl is in your PATH, use ____

View solution

Q. A perl program runs in a special interpretive mode.

View solution

Q. Which one of the following is the most powerful filter?

View solution

Q. awk makes a distinction between numeric and string variables.

View solution

Q. The _____ function extracts a substring from a string.

View solution

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

View solution

Q. awk has some built-in functions which are used for arithmetic and string operations.

View solution

Q. awk uses _____ dimensional arrays.

View solution

Q. print statement is necessary for printing a line.

View solution

Q. Which of the following is supported by awk?

View solution

Q. sqroot(x) function returns the square root of x.

View solution

Q. For running a UNIX command within awk, we’ve to use ____ function.

View solution

Q. ____ function breaks up a string on the basis of delimiter.

View solution