R Program to Get Input from User

Author:

📘 Premium Read: Access my best content on Medium member-only articles — deep dives into Java, Spring Boot, Microservices, backend architecture, interview preparation, career advice, and industry-standard best practices.

🎓 Top 15 Udemy Courses (80-90% Discount): My Udemy Courses - Ramesh Fadatare — All my Udemy courses are real-time and project oriented courses.

▶️ Subscribe to My YouTube Channel (176K+ subscribers): Java Guides on YouTube

▶️ For AI, ChatGPT, Web, Tech, and Generative AI, subscribe to another channel: Ramesh Fadatare on YouTube

1. Introduction

Taking user input is a fundamental aspect of interactive programming. Whether you're writing scripts for data analysis or building tools, the ability to capture and utilize user input can make your programs more flexible and user-friendly.

2. Program Overview

In this post, we will be creating an R program that captures input from a user and displays it back. We'll be utilizing R's built-in functions to achieve this simple yet crucial task.

3. Code Program

# Prompt the user for input cat("Please enter your name: ") # Use the readline function to get the input from the user user_input <- readline() # Display the input back to the user cat("Hello,", user_input, "! Welcome to the R program.\n")

Output:

Please enter your name: John Hello, John ! Welcome to the R program.

4. Step By Step Explanation

1. We use the cat() function to display a message prompting the user to enter their name. The cat() function in R is used to concatenate and display its arguments.

# Prompt the user for input cat("Please enter your name: ")

2. The readline() function is used to capture input from the user. This function reads a line from the console (terminal) and can be stored in a variable for future use.

# Use the readline function to get the input from the user user_input <- readline()

3. Finally, we use the cat() function again to display a message back to the user, incorporating the input we just captured. This gives a personalized greeting based on the user's input.

# Display the input back to the user cat("Hello,", user_input, "! Welcome to the R program.\n")

Related R Programs with Output and Step-By-Step Explanation:

R Program to Print Hello World R Program to Add Two Numbers R Program to Subtract Two Numbers R Program to Multiply Two Numbers R Program to Divide Two Numbers R Program to Calculate Remainder R Program to Check if a Number is Even or Odd R Program to Find Maximum of Two Numbers R Program to Find Minimum of Two Numbers R Program to Calculate Factorial of a Number R Program to Print Fibonacci Sequence R Program to Check Prime Number R Program to Calculate the Area of a Circle R Program to Calculate the Area of a Rectangle R Program to Calculate the Area of a Triangle R Program to Convert Celsius to Fahrenheit R Program to Convert Fahrenheit to Celsius R Program to Find Roots of Quadratic Equation R Program to Perform Matrix Multiplication Steps to Run R Program in RStudio R Program to Reverse a String R Program to Calculate String Length R Program to Count Vowels and Consonants in a String R Program to Find the Largest Element in a Vector R Program to Sort Elements of a Vector R Program to Implement Bubble Sort R Program to Implement Selection Sort R Program to Implement Insertion Sort R Program to Search an Element in a Vector using Binary Search R Program to Calculate Standard Deviation R Program to Generate Random Numbers R Program to Perform Linear Regression R Program to Create a Histogram R Program to Create a Boxplot R Program to Create a Scatterplot R Program to Perform String Concatenation R Program to Replace Substring in a String R Program to Split a String into Words R Program to Convert Uppercase to Lowercase R Program to Convert Lowercase to Uppercase R Program to Implement Simple Calculator R Program to Calculate Power of a Number R Program to Check if a Number is Positive, Negative or Zero R Program to Generate Prime Numbers up to N R Program to Check for Armstrong Number R Program to Find GCD of Two Numbers R Program to Find LCM of Two Numbers R Program to Display Date and Time R Program to Get Input from User R Program to Concatenate Two Vectors R Program to Check if an Element Exists in a Vector R Program to Remove Duplicates from a Vector R Program to Implement Stack R Program to Implement Queue R Program to Find Sum of Vector Elements R Program to Merge Two Dataframes R Program to Rename Columns in a Dataframe R Program to Add Rows to a Dataframe R Program to Add Columns to a Dataframe R Program to Drop Rows from a Dataframe R Program to Drop Columns from a Dataframe R Program to Convert a List to a Vector R Program to Convert a Vector to a List

Comments

Post a Comment

Leave Comment

Spring Boot 3 Paid Course Published for Free
on my Java Guides YouTube Channel

Subscribe to my YouTube Channel (165K+ subscribers):
Java Guides Channel

Top 10 My Udemy Courses with Huge Discount:
Udemy Courses - Ramesh Fadatare