Shell Programming and Scripting

 
#!/bin/bash
#script to check wether the -i -v statements run correctly
removeFile ()
        {
        mv $1 $HOME/deleted
        }
#Function to imitate verbose
verbose ()
        {
        echo  " removed $1 "
i_option=0
v_option=0
r_option=0
while getopts :ivrR option
do
        case $option in
                i) i_option=1 ;;
                v) v_option=1 ;;
                r|R) r_option=1 ;;
                *) echo "invalid option" ;;
        esac
shift $(( $OPTIND -1 ))
done

if [[ $i_option -eq 1 && $v_option -eq 1 && $r_option -eq 0 ]]
then
        if [ -f $1 ]
        then
                if [ -s $1 ]
                then
                        read -p "rm: remove regular file '$1'?" choice
                                if [[ $choice = Y || $choice = y ]]
                                then
                                        removeFile $1
                                        verbose $1
                                else
                                        exit 1
                                fi
                elif ! [ -s $1 ]
                then
                        read -p "rm: remove regular empty file '$1'?" choice1
                                if ! [[ $choice1 = Y || $choice1 = y ]]
                                then
                                        removeFile $1
                                        verbose $1
                                else
                                        exit 1
                                fi
                fi
        elif [ -d $1 ]
        then
                echo "rm: cannot remove '$1': Is a directoy"
        else
                echo "No such a file or directory"
        fi
fi

verbose ${@}