Solved UNIX ASSIGNMENT-4 New

UNIX ASSIGNMENT-4

Solved

Tutorial - 4

Subject : Unix & Shell Programming

1.     write a shell script to copy one file into other, display appropriate message if destination file already exist.

Script:

echo "Enter source filename: "

read sname

echo "Enter destination filename: "

read dname

if [ -f $sname ]

then

        if [ -f $dname ]

        then

                echo "Destination file already exists"

                echo "Do You want to overwrite the file?(y/n)"

                read ans

                if [ $ans = 'Y' -o $ans = 'y' ]

                then

                        cp $sname $dname

                        echo "Destination file overwritten"

                else

                        echo "File not copied to Destination"

                fi

        elif [ -d $dname ]

        then

                echo "Destination type is directory"

                echo "Do you want to copy file in directory?(y/n)"

                read ans

                if [ $ans = 'Y' -o $ans = 'y' ]

                then

                        cp $sname $dname

                        echo "$sname file copied to directory $dname"

                else

                        echo "File not copied to Directory"

                fi

        else

                cp $sname $dname

                echo "$dname is the new file created"

                echo "Content of $sname is copied to $dname"

        fi

else

        echo "$sname - source file doesnot exist"

        echo "Please, Enter correct source file name"

fi

echo "Program Completed"

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