Notes

This is for the 1st:
#!/bin/bash
echo "Do you want to continue (y/n)"
read go
while [[ "$go" != "n" ]] #function where user may use yes or no
do

tatts_function-len() #function of length
{

echo -n "Enter the lenght of the rectangle in cm: "

read -n10 leng #taking the input of length which was insert by user

if [[ $leng =~ ^[0-9]+.?[0-9]*$ ]]; then #taking only number from user not any alphabetical letter

echo "width of a rectangle is $leng cm"

else


echo -n "(Enter number)"
tatts_function-len #end function length
#read leng
fi

}

tatts_function-len

tatts_function-bre() #function of breadth
{
echo -n "Enter the breadth of the rectangle in cm: "

read -n10 bra #taking the input of breadth which was insert by user

if [[ $bra =~ ^[0-9]+.?[0-9]*$ ]]; then #taking only number from user not any alphabetical letter

echo "height of rectangle is $bra cm"

else


echo -n "(Enter number)" #if user put alphabetical word then input may ask enter number to execute the program
funcbredth
#read b
fi
}
tatts_function-bre


echo " Area of the rectangle is : $leng * $bra " #print the value of length and breadth of rectangle



Arr=`echo $leng * $bra |bc` #calculate the rectangle in cm

echo "Area of the rectangle in cm = $Arr cm" #show the final output of area of rectangle

In=`echo $Arr / 2.54 |bc` #calculate the area of rectangle in inch

echo "Area of rectangle in inch = $In inch " #show the input in inch form
echo "Do you want to continue? (y/n)" #user can be continue or end the function
read go
done


This is for the another:
#!/bin/bash
#bonus.sh

bastola_sales()
{
echo "Enter the number of salesperson:" #display message to put number salesperson
read put #taking the value of number
if [[ $put =~ ^[0-9]*$ ]] #check the value in number form
then
bastola_read
else
bastola_sales #read the salesperson
fi # close for loop
}
bastola_read()
{
for (( a = 0; a < $put; a++ )) #satrting for loop for put function
do
echo "Enter the name of sales person $a: " #display the name of sales
read bastola_name #read bastola_name
if [[ $bastola_name =~ ^[A-Z|a-z]+$ ]] #pressing the s key from keyboard to sort in alphabetical
then
name1[$a]="$bastola_name" #read the value of $a

echo "Enter quarterlysales of a person $a: " #enter the value of quartarley
read bastola_quarter
if [[ $bastola_quarter =~ ^[0-9]*$ ]] #check the number only while put
then
quarterly1[$a]="$bastola_quarter" #check the value of quarterly
fi


else
bastola_read
fi

if [[ $bastola_quarter -gt 1000000 ]] #display the bonus
then
bonus[$a]="1,500"
elif [[ $bastola_quarter -le 999999 && $bastola_quarter -ge 1000000 ]]
then
bonus[$a]="750"
elif [[ $bastola_quarter -le 99999 ]]
then
bonus[$a]="0"
fi
done
bastola_display #save all file in savedarjun.txt
bastola_display >> savedarjun.txt
}

bastola_display()
{
for (( a = 0; a < $put; a++ )) #listing all bastola_name and sales quarterly
do
echo "Names:" ${name1[@]} #display name of sales
echo "Quarterlysales:" ${quarterly1[@]} #displat quarterly sales
echo "Bonus:" ${bonus[@]} #display bonus
bastola_option
done

}
bastola_option(){
echo "Press S for sorting sales and A for alphabetic" #user need tp press s key for sorting sales and pressing a key from keybroad for sorting alphabetical order
read put
if [[ $put =~ ^[A]$ ]] || [[ $put =~ ^[a]$ ]] #check put is equal to output for alphabetical
then
bastola_bubble_sort1
elif [[ $put =~ ^[S]$ ]] || [[ $put =~ ^[s]$ ]] #using bubble sort for sorting sales
then
bastola_bubble_sort
else
exit
fi
}
bastola_bubble_sort() #using bubble sort for display the sorting sales and alphabetical order
{
n=${#quarterly1[@]} #this line of code show sorting the salesperson and quarterly in sales
for ((k=0;k<$n;k++))
do
for ((l=0;l<$n;l++))
do
if [[ ${quarterly1[l]} -lt ${quarterly1[$((l+1))]} ]]
then
t=${quarterly1[$j]}
quarterly[$l]=${quarterly1[$((l+1))]}
quarterly[$((l+1))]=$t

t1=${name1[$l]}
name[$l]=${name1[$((l+1))]}
name[$((l+1))]=$t1
fi
done
done
echo ${name1[*]}
echo ${quarterly1[*]}
}

bastola_bubble_sort1()
{
n=${#name1[@]} #this line of code show sorting the salesperson and quarterly in alphabetical order
for ((k=0;k<$n;k++))
do
for ((l=0;l<$n;l++))
do
if [[ ${name1[l]} > ${name1[$((l+1))]} ]]
then
t=${name1[$l]}
name[$l]=${name1[$((l+1))]}
name[$((l+1))]=$t

t1=${quarterly1[$j]}
quarterly[$j]=${quarterly1[$((l+1))]}
quarterly[$((l+1))]=$t1
fi
done
done
echo ${name1[*]} #display bastola_name and quarterly in decending sales form
echo ${quarterly1[*]} #display bastola_name and quarterly in aplphabetical order
}


continue()
{
echo "Do you want to continue?Press[Yy]" #display the message user can be continue or not
read continue
if [[ $continue =~ ^[Y]$ ]] || [[ $continue =~ ^[y]$ ]]
then
clear
Salesperson
else
exit
fi
}
bastola_sales

#!/bin/bash

echo "1: Backup" #display the backup input
echo "2: bastola_user Management" #display the bastola_usermanagement input

while [ 1 ] #bastola_user need to press 1 key for backup programming code or execute the backup code
do

read bastola_menu #create a bastola_menubar for backup
case $bastola_menu in
1)
echo "Backup for Zip" #dispaly the zip format how to create zip file
echo "a: backup now" #bastola_user can be archieve in manal form using tar command
echo "b: set backup timer " # or bastola_user can be archieve in form of automatic backup using corntab

while [ 1 ] #using while loop
do
read backup #read backup
case $backup in #using case
a) #pressing a key for backup now
sudo tar -cvpzf backup.tar.gz /root #using tar command for manual backup
;;
b) #pressing b key for automatic backup
echo "This is for scheduled backup"
echo -n "Enter the minute Example:Enter */1 for every minute:" #time set in minute
read a
echo -n "Enter hour (*") from 0-23:" #time set in hour
read b
echo -n "Enter day of month (*) from 0-30:" #time set in hour
read c
echo -n "Enter month (*) from 1-12:" #time set in month
read d
echo -n "Enter day of week (*) from 0-7 as 0 being monday:" #time set in ween as being monday
read e
echo -n "Name of the backup file:" #create folder name
read f
echo -n "path of backup file (example:new/newfolder):" #create path for save thr backup file
read g
echo -n "Name of bastola_source:" #name of bastola_source of backup file
read bastola_source

echo "$a $b $c $d $e tar -cpzf ~/$g/$f /root/$bastola_source " >> crontab.txt
crontab crontab.txt #save in zip file
;;
End)
break
;;
*)
echo "Choose option a-b or "End" to exit"
;;
esac
done
;;
2)
echo "bastola_user Mangement" #display the bastola_usermanagement
echo "a: Add new group" #print add new group
echo "b: Add new bastola_users" #print add new bastola_users
echo "c: Delete bastola_users" #print delete bastola_users
echo "d: Delete group" #print delete group
echo "e: Edit bastola_users" #print edit bastola_users
echo "f: Edit groups" #print edit group
echo "End: To exit" #end to exit the progarm
while [ 1 ]
do
read bastola_user #read bastola_user
case $bastola_user in #using case
a)
echo "Add a new Group"
echo -n "Enter group name:"
read NG #read group name
sudo addgroup $NG
;;
b)
echo "Add a New bastola_user"
echo -n "Enter bastola_user name:"
read bastola_userADD #create bastola_useradd
#echo -n "Enter password:"
#read P
sudo bastola_useradd -m $bastola_userADD #create bastola_useradd
sudo passwd $bastola_userADD #password for bastola_useradd
;;
c)
echo "Delete a bastola_user"
echo -n "Enter bastola_username to be deleated:"
read DELETE #read delete
sudo bastola_userdel $DELETE #bastola_user can be delete
;;
d)
echo "Delete a Group"
groups
echo -n "Name of the group to be delete:"
read delete
sudo groupdel $delete #group can be deleted
;;
e)
echo "choose to edit bastola_users"
echo -n "Enter name of group to view it:"
read editbastola_user
sudo passwd $editbastola_user #bastola_user can be edit of password
;;
f)
echo "choose to edit groups"
echo -n "Enter groupname to add bastola_user:"
read editgroup
echo -n "Enter bastola_username to add bastola_user in group:"
read addbastola_useringroup #read add bastola_user in group
sudo bastola_usermod -a -G $editgroup $addbastola_useringroup #create bastola_user in group
;;
End)
break
;;
*)
echo "choose option from a to f(a-f) or "Exit" to exit" #end the program
esac
done
;;
End)
break
;;
*)
echo "Choose options 1-2 or "End" to quit" #end the program
;;
esac
done