projects
/
platform
/
upstream
/
bash.git
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
history
|
raw
|
HEAD
Imported from ../bash-1.14.7.tar.gz.
[platform/upstream/bash.git]
/
examples
/
functions
/
fact
1
# Who said shells can't use recursion? Here is a factorial function.
2
# You call it with a number as an argument, and it returns the factorial
3
# of that number.
4
5
fact ()
6
{
7
local num=$1;
8
if [ "$num" = 1 ] ; then
9
echo 1
10
return ;
11
fi;
12
echo $[ $num * $(fact $[ $num - 1 ])]
13
}