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