The if/else Construct : If « Statement « Perl

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Perl » Statement » If

The if/else Construct


   



print "What version of the operating system are you using? ";

chomp($os=<STDIN>);

if ($os > 2) {

   print "good!\n";

}

else {

   print "Expect some problems.\n";

}

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2.	A program that uses the if-else statement.
3.	A program that uses the if-elsif-else statement.
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5.	Conditional Modifiers and print
6.	Conditional Modifiers: The if Modifier
7.	Extend the if statement to include an else block
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14.	If statement with scalar variable
15.	Nest if statement into for loop
16.	Perl has a number of string comparison operators you can use in if statements.
17.	Plural format and ternary operator
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20.	The if Construct
21.	The if/elsif/else Construct
22.	Use an elsif statement to check if a different condition is true
23.	Use if statement to check the integer value
24.	Using if statement to check if a variable has been defined
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26.	Using if statement to check the number entered from keyboard
27.	Using if statements with relational and equality operators
28.	Using the equality-comparison operator to compare two numbers entered at the keyboard.
29.	Using the if elsif statement to check the number entered from keyboard
30.	if in a while loop
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33.	if/else statement
34.	if/elsif statement

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