Let's find how to prompt and read input variables from keyboard while executing a script using shell, perl, python, batch and powershell (windows and Linux)

• 
  

  On Linux via shell

  
  read -p "Enter your name: " name
  echo "Hi, $name. Let's be friend!"
  

• On Windows via powershell

  $name=read-host "Enter your name:" write-host "Hi $name, Let's be friend!"

• On Windows via batch

  Set /p Name="Enter your name:" echo "Hi %name%, Let's be friend!"

• On Windows or Linux via perl

  print "Enter your name "; my $name = ; chomp $name; # Get rid of newline character at the end print "Hello $name, let's be friend";

• On Windows or Linux via python

  name=input("Enter your name: ") print ("Hello " + name + " let's be friend")