PowerShell - Operators
Which of these PowerShell expressions uses the range operator correctly to create numbers from 10 down to 6?
Which of these PowerShell expressions uses the range operator correctly to create numbers from 10 down to 6?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify how the range operator works with descending numbers
When the left number is greater than the right, the range operator creates a descending sequence.Step 2: Check the options
10..6 uses 10..6 which creates 10, 9, 8, 7, 6. 6..10 creates ascending 6 to 10. 10 - 6 is subtraction, not range. 10..6 | Sort-Object sorts ascending, not descending.Final Answer:
10..6 creates a descending sequence from 10 to 6 -> Option BQuick Check:
Descending range = left..right with left>right [OK]
Quick Trick: Range operator can create descending sequences if left>right [OK]
Common Mistakes:
- Assuming range operator only creates ascending sequences
- Using subtraction instead of range operator
- Sorting ascending instead of descending
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