Saturday, August 26, 2017
Shell script to find factorial of an number
Shell script to find factorial of an number
SCRIPT:
#!/bin/bash
input=$1
fact_op=1
while [ $input -gt 0 ]
do
echo "$fact_op $input"
fact_op=$(( $fact_op * $input ))
input=$(( $input - 1 ))
done
echo "factorial of value $1 is $fact_op"
OUTPUT:
sujin@sujin:~/work/shell$ ./factorial.sh 5
1 5
5 4
20 3
60 2
120 1
factorial of value 5 is 120
sujin@sujin:~/work/shell$ ./factorial.sh 5
1 5
5 4
20 3
60 2
120 1
factorial of value 5 is 120
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