Useful bashrc additions

.bashrc

# Delete
slice() {
    if [ $# -eq 0 ]
    then
        echo "No arguments supplied"
    else
        read -p "Sure you want to : shred -vzu $1? " -n 1 -r
        echo # (optional) move to a new line
        if [[ $REPLY =~ ^[Yy]$ ]]
        then
            # do dangerous stuff
            shred -vzu "$1"
        else
            echo "phew! disaster avoided :)"
        fi
    fi    
}