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  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2002-04-08 20:51:41 UTC
  • Revision ID: james.westby@ubuntu.com-20020408205141-qovkhu3a90201hf2
Tags: upstream-2.05a
Import upstream version 2.05a

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examples/functions/fact
 
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# 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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}