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fact=1
for((number=1;number<=$1;number++))
do
fact=$(($fact*$number))
done
echo the fact of $1 is $fact

Success #stdin #stdout #stderr 0.01s 5284KB

stdin

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Standard input is empty

stdout

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the fact of is 1

stderr

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./prog.sh: line 2: ((: number<=: syntax error: operand expected (error token is "<=")

https://ideone.com/jqx4NI

language:

Bash (bash 5.0.3)

created:

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public

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