13 lines
		
	
	
	
		
			303 B
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			13 lines
		
	
	
	
		
			303 B
		
	
	
	
		
			Text
		
	
	
	
	
	
# Who said shells can't use recursion?  Here is a factorial function.
 | 
						|
# You call it with a number as an argument, and it returns the factorial
 | 
						|
# of that number.
 | 
						|
 | 
						|
fact ()
 | 
						|
{
 | 
						|
    local num=$1;
 | 
						|
    if [ "$num" = 1 ] ; then
 | 
						|
        echo 1
 | 
						|
        return ;
 | 
						|
    fi;
 | 
						|
    echo $[ $num * $(fact $[ $num - 1 ])]
 | 
						|
}
 |