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Solved UNIX ASSIGNMENT-4 New

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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