[Solved] Why does this PowerShell code output the literal string instead of interpolating the variable?$var = "test"$str = '@var is here'Write-Output $str | PowerShell

PowerShell - Variables and Data Types

Why does this PowerShell code output the literal string instead of interpolating the variable?

$var = "test"
$str = '@var is here'
Write-Output $str

AVariable $var is not defined

BSingle quotes prevent variable interpolation

CMissing $ before var in string

DWrite-Output cannot print variables

Step-by-Step Solution

Solution:

Step 1: Understand single vs double quotes in PowerShell
Single quotes treat the string literally, no variable interpolation occurs.
Step 2: Analyze the output
The string '@var is here' prints exactly as is, without replacing $var.
Final Answer:
Single quotes prevent variable interpolation -> Option B
Quick Check:
Single quotes = no variable interpolation [OK]

Quick Trick: Use double quotes for variable interpolation [OK]

Common Mistakes:

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