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Student Database using Shell Programming OS problem

April 4, 2011 by ProjectsGeek 2 Comments

Student Database using Shell Programming

 

Write a program to handle student data base with options given below :

a) Create data base.

b) View Data Base.

c) Insert a record.

d) Delete a record.

e) Modify a record.

f) Result of a particular student.

g) Exit.

Student Database using Shell Programming Code

 

 clear  
 echo "1. create database "  
 echo "2. view database "  
 echo "3. insert a record "  
 echo "4. delete record "  
 echo "5. modify a record "  
 echo "6. result of particular student "  
 echo "7. exit"  
 echo " enter ur choice "  
 read d  
 case $d in  
 1)  
    echo " enter rollnumber of student "  
   read rn  
   echo " enter name of student "  
   read nm  
   echo " enter marks sanskrit "  
   read sk  
   echo " enter marks english "  
   read eg  
   echo " enter marks hindi "  
   read hn  
   record="$rn $nm $sk $eg $hn "  
   echo $record>stud   
   ;;  
 2) echo " showing database of student"  
   cat stud ;;  
 3)   
   echo " enter rollnumber of student "  
   read rn  
   echo " enter name of student "  
   read nm  
   echo " enter marks sanskrit "  
   read sk  
   echo " enter marks english "  
   read eg  
   echo " enter marks hindi "  
   read hn  
   record="$rn $nm $sk $eg $hn "  
   echo $record>>stud  
    ;;  
 4) echo " enter roll number "  
   read rn  
   grep ^$rn stud  
   if [ $? -ne 0 ]; then  
   echo "record for roll number does not exist "  
   else  
   grep -v $rn stud>>tmp  
   cp tmp stud  
   echo "deletion complete "  
   fi  
   ;;  
 5) echo " enter roll number "  
   read rn1  
   grep ^$rn stud  
   if [ $? -ne 0 ]; then  
   echo "record for roll number does not exist "  
   else  
   echo " enter roll number "  
   read rn  
   echo " enter name of student "  
   read nm  
   echo " enter marks sanskrit "  
   read sk  
   echo " enter marks english "  
   read eg  
   echo " enter marks hindi "  
   read hn  
   record="$rn $nm $sk $eg $hn "  
   var=`grep -n ^$rn1 stud | cut -c 1`  
   echo $var  
   var1=`expr $var - 1`  
   head -$var1 stud>temp  
   echo $record>>temp  
   var3=`wc -l < stud`  
   var2=`expr $var3 - $var `  
   tail -$var2 stud>>temp  
   cp temp stud  
    fi  
 ;;  
 6) echo " enter roll number "  
   read rn  
   echo "printing result "  
   grep ^$rn stud  
 ;;  
 7) ;;  
 * ) echo "enter right choice"  
 esac

 

Other Projects to Try:

  1. Student Database using AWK Programming
  2. Simple Student Database using C Language
  3. Factorial,Greatest Number,String Palindrome Shell code
  4. Student Database using Virtual functions in C++
  5. Student Database in C Language

Filed Under: Operating System . Linux Assignments

Reader Interactions

Comments

  1. Aakash Gouda says

    September 1, 2015 at 11:57 am

    Correction for modify and delete

    clear
    t=999
    while [ $t -ne 0 ]
    do
    echo “1. create database ”
    echo “2. view database ”
    echo “3. insert a record ”
    echo “4. delete record ”
    echo “5. modify a record ”
    echo “6. result of particular student ”
    echo “7. exit”
    echo ” enter ur choice ”
    read d
    case $d in
    1)
    echo ” enter rollnumber of student ”
    read rn
    echo ” enter name of student ”
    read nm
    echo ” enter marks sanskrit ”
    read sk
    echo ” enter marks english ”
    read eg
    echo ” enter marks hindi ”
    read hn
    record=”$rn $nm $sk $eg $hn ”
    echo $record>stud
    ;;
    2) echo ” showing database of student”
    cat stud ;;
    3)
    echo ” enter rollnumber of student ”
    read rn
    echo ” enter name of student ”
    read nm
    echo ” enter marks sanskrit ”
    read sk
    echo ” enter marks english ”
    read eg
    echo ” enter marks hindi ”
    read hn
    record=”$rn $nm $sk $eg $hn ”
    echo $record>>stud
    ;;
    4) echo ” enter roll number ”
    read rn
    rn=”$rn ”
    echo “deleted $rn”
    grep ^$rn stud
    if [ $? -ne 0 ]; then
    echo “record for roll number does not exist ”
    else
    grep -v $rn stud>>tmp
    cp tmp stud
    echo “deletion complete ”
    fi
    ;;
    5) echo ” enter roll number ”
    read rn1
    grep ^$rn1 stud
    if [ $? -ne 0 ]; then
    echo “record for roll number does not exist ”
    else
    echo ” enter roll number ”
    read rn
    echo ” enter name of student ”
    read nm
    echo ” enter marks sanskrit ”
    read sk
    echo ” enter marks english ”
    read eg
    echo ” enter marks hindi ”
    read hn
    record=”$rn $nm $sk $eg $hn ”
    var=`grep -n ^$rn1 stud | cut -d: -f1`
    echo $var
    var1=`expr $var – 1`
    head -$var1 stud>temp
    echo $record>>temp
    var3=`wc -l >temp
    cp temp stud
    fi
    ;;
    6) echo ” enter roll number ”
    read rn
    echo “printing result ”
    grep ^$rn stud
    ;;
    7) t=0
    ;;
    * ) echo “enter right choice”
    esac
    done

    Reply
    • ProjectsGeek says

      November 1, 2015 at 8:58 am

      Thanks for providing this correct code.

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