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Help me to solve some question about shell Script


 
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# 1  
Old 10-21-2009
Question Help me to solve some question about shell Script

  • Factorial calculation
Example output:
Please enter a non-negative number: 3

3! = 3 X 2 X 1
= 6


Please enter a non-negative number: 10

10! = 10 X 9 X 8 X 7 X 6 X 5 X 4 X 3 X 2 X 1
= 3628800


Please enter a non-negative number: -1

Invalid input


    • By using for loop only, write a shell script to calculate factorial like example above
    • By using while loop only, write a shell script to calculate factorial like example above



Thx for you help!!!

# 2  
Old 10-21-2009
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