//Date :
Shell script to find simple Interest
Shell script :
read p
read n
read r
si=`expr $p \* $n \* $r`
#si=`expr $si / 100`
PI=$(echo "scale=6; $si / 100" | bc)
#echo $si
echo $PI
//Date :
Shell script to find leap year
Shell script :
yy=0
isleap="false"
echo -n "Enter year (yyyy) : "
read yy
# find out if it is a leap year or not
if [ $((yy % 4)) -ne 0 ] ; then
# not a leap year : means do nothing and use old value of isleap
elif [ $((yy % 400)) -eq 0 ] ; then
# yes, it's a leap year
isleap="true"
elif [ $((yy % 100)) -eq 0 ] ; then
# not a leap year do nothing and use old value of isleap
else
# it is a leap year
isleap="true"
fi
if [ "$isleap" == "true" ];
then
echo "$yy is leap year"
else
echo "$yy is NOT leap year"
fi
//Date:
Shell script to find the number is odd or even
Shell script :
echo -n "Enter numnber : "
read n
rem=$(( $n % 2 ))
if [ $rem -eq 0 ]
then
echo "$n is even number"
else
echo "$n is odd number"
fi
//Date :
Shell script to perform arithmetic operations
Shell script :
a=$1
op="$2"
b=$3
if [ $# -lt 3 ]
then
echo "$0 num1 opr num2"
echo "opr can be +, -, / , x"
exit 1
fi
case "$op" in
+) echo $(( $a + $b ));;
-) echo $(( $a - $b ));;
/) echo $(( $a / $b ));;
x) echo $(( $a * $b ));;
*) echo "Error ";;
Esac
//Date:
Shell script to print Fibonacci series
Shell script :
i=1
a=0
b=1
echo ${a},
while [ $i != 10 ]
do
b=`expr $a + $b`
echo ${b},
c=$a
a=$b
b=$c
i=`expr $i + 1`
done
//Date :
Menu Driven shell script
Shell script :
while :
do
clear
echo " M A I N - M E N U"
echo "1. Date"
echo "2. List of users currently logged"
echo "3. Present handling directory"
echo "4. List of files"
echo "5. Exit"
echo -n "Please enter option [1 - 5]"
read opt
case $opt in
1) echo " $(date) ";
read enterKey;;
2) echo "*********** List of users currently logged $(who) ";
read enterKey;;
3) echo "You are in $(pwd) directory";
echo "Press [enter] key to continue. . .";
read enterKey;;
4) echo " $(ls) ";
read enterKey;;
5) exit 1;;
*) echo "$opt is an invaild option. Please select option between 1-4 only";
echo "Press [enter] key to continue. . .";
read enterKey;;
esac
done
//Date:
Shell script to print sum of digits
Shell script :
read n
sum=0
sd=0
while [ $n -gt 0 ]
do
sd=`expr $n % 10`
sum=`expr $sum + $sd`
n=`expr $n / 10`
done
echo "Sum of digit for numner is $sum"
//Date:
Shell script to find biggest of three numbers
Shell script :
read n1
read n2
read n3
if [ $n1 -gt $n2 ] && [ $n1 -gt $n3 ]
then
echo "$n1 is Bigest number"
elif [ $n2 -gt $n1 ] && [ $n2 -gt $n3 ]
then
echo "$n2 is Bigest number"
elif [ $n3 -gt $n1 ] && [ $n3 -gt $n2 ]
then
echo "$n3 is Bigest number"
elif [ $1 -eq $2 ] && [ $1 -eq $3 ] && [ $2 -eq $3 ]
then
echo "All the three numbers are equal"
else
echo "I cannot figure out "
fi
//Date :
Shell script to find factorial of a number
Shell script:
read n
i=1
j=1
k=0
while [[ $n -gt 1 ]]
do
j=`expr $n - 1`
i=`expr $n \* $j`
n=`expr $n - 1`
k=`expr $k + $i`
done
echo " $k "
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