Awk Interview Questions and Answers in 2025 (100+ Q&A)

Awk

Ques:- What is the use of format specifier %e ?

Asked In :-

Right Answer:
The format specifier `%e` in Awk is used to print numbers in scientific notation.

Comments

Admin May 17, 2020

Floating Point number(engineering format)

Awk

Ques:- What is the use of format specifier %f ?

Asked In :-

Right Answer:
The format specifier `%f` is used in Awk to represent floating-point numbers in output.

Comments

Admin May 17, 2020

Floating Point number(fixed point format)

Awk

Ques:- What is the use of sequence ?

Asked In :-

Right Answer:
In AWK, a sequence is used to generate a series of numbers, typically for iterating through a range or for creating a pattern in output. It helps in controlling the flow of data processing and can be utilized in loops or for formatting output.

Comments

Admin May 17, 2020

that character

Awk

Ques:- What is the use of format specifier %c ?

Asked In :- iOPEX,

Right Answer:
The format specifier `%c` in AWK is used to represent a single character.

Comments

Admin May 17, 2020

ASCII Character

Awk

Ques:- What is the use of sequence ddd ?

Asked In :- iopex technologies,

Right Answer:
The sequence `ddd` in AWK is used to represent a specific format for date and time, typically indicating a three-letter abbreviation for the day of the week (e.g., Mon, Tue, Wed).

Comments

Admin May 17, 2020

Character (1 to 3 octal digits)

Awk

Ques:- What is the use of sequence xdd ?

Asked In :-

Right Answer:
The sequence `xdd` in AWK is used to convert a string to its hexadecimal representation.

Comments

Admin May 17, 2020

Character (hexadecimal)

Awk

Ques:- What is the use of sequence ?

Asked In :-

Right Answer:
In AWK, a sequence is used to generate a series of numbers, typically for iterating over a range or for creating a sequence of values in a script.

Comments

Admin May 17, 2020

Carriage Return

Awk

Ques:- What is the use of sequence ?

Asked In :-

Right Answer:
In AWK, a sequence is used to generate a series of numbers, typically for tasks like creating line numbers or iterating through a set of values in a loop.

Comments

Admin May 17, 2020

Horizontal tab

Awk

Ques:- What is the use of sequence v ?

Asked In :-

Right Answer:
In AWK, the sequence variable `v` is used to store the current record number or line number being processed.

Comments

Admin May 17, 2020

Vertical tab (NAWK only)

Awk

Ques:- What are Assignment Operators?

Asked In :-

Right Answer:
Assignment operators are used to assign values to variables. In Awk, the most common assignment operator is `=` which assigns the value on the right to the variable on the left. Other assignment operators include `+=`, `-=`, `*=`, `/=`, and `%=` which perform an operation and then assign the result to the variable.

Awk

Ques:- What are Conditional expressions in AWK?

Asked In :-

Right Answer:
Conditional expressions in AWK are used to evaluate conditions and control the flow of the program. They typically involve relational operators (like `==`, `!=`, `<`, `>`, `<=`, `>=`) and logical operators (like `&&`, `||`, `!`). These expressions return true or false and are often used in `if` statements, `while` loops, and pattern matching to determine which actions to perform based on specific criteria.

Awk

Ques:- What is the use of sequence ?

Asked In :-

Right Answer:
In AWK, a sequence is used to generate a series of numbers or to control the flow of processing, often in loops or for creating patterns in output.

Comments

Admin May 17, 2020

Newline

Awk

Ques:- What are Unary arithmetic operators?

Asked In :-

Right Answer:
Unary arithmetic operators are operators that operate on a single operand to perform arithmetic operations. In AWK, the common unary arithmetic operators are:

1. `+` (Unary plus) - Indicates a positive value.
2. `-` (Unary minus) - Negates the value, changing its sign.

Awk

Ques:- What are the Autoincrement and Autodecrement Operators?

Asked In :-

Right Answer:
Autoincrement and autodecrement operators are used to increase or decrease the value of a variable by one, respectively. In many programming languages, the autoincrement operator (often represented as `++`) adds one to the variable's value, while the autodecrement operator (represented as `--`) subtracts one from it.

Awk

Ques:- What are Arithmetic Expressions in AWK?

Asked In :-

Right Answer:
Arithmetic expressions in AWK are combinations of numbers and operators that perform mathematical calculations. They can include addition (+), subtraction (-), multiplication (*), division (/), and modulus (%). AWK evaluates these expressions to produce numeric results, which can be used in conditions or assigned to variables.

Awk

Ques:- What is the Basic Structure of AWK program?

Asked In :-

Right Answer:
The basic structure of an AWK program consists of the following components:

```
BEGIN {
# Initialization code (optional)
}

pattern {
# Action to perform when the pattern matches
}

END {
# Cleanup code (optional)
}
```

Each AWK program can have optional `BEGIN` and `END` blocks, and one or more pattern-action pairs.

Comments

Admin May 17, 2020

BEGIN { print "START" }
{ print }
END { print "STOP" }

Awk

Ques:- How to execute an AWK script?

Asked In :-

Right Answer:
You can execute an AWK script by using the command `awk -f script.awk inputfile`, where `script.awk` is the name of your AWK script and `inputfile` is the file you want to process.

Awk

Ques:- Which shell to use with AWK?

Asked In :- Kaynes Technology Inc,

Right Answer:
AWK can be used with any shell, but it is commonly used with Bash or sh.

Awk

Ques:- What are Dynamic Variables?

Asked In :-

Right Answer:
Dynamic variables in AWK are variables that can change their value during the execution of the program. They are not predefined and can be created and modified on the fly, allowing for flexible data manipulation based on the input being processed.

Awk

Ques:- EPFO 2009 result has come or not which is held in sep 2009, pls told me, I have ever asked you.

Asked In :-

Right Answer:
The EPFO 2009 result has been released.

The AWK category is a powerful resource for Linux administrators, DevOps engineers, and computer science students aiming to understand text processing on the command line.

Topics include:

Basic AWK syntax and operations
Pattern scanning and processing
Working with pipes and redirection
Real-time use cases in log parsing
AWK with shell scripting and cron jobs
Interview questions on AWK vs. SED vs. GREP

Questions in: Awk

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