grep -Eri "drucken" app/views

app/views/meths/_form.html.erb:                                <li class="hidden-phone"><a onclick="javascript: print();" class="">Methode drucken</a></li>
app/views/clients/show.html.erb:                    <li><a onclick="javascript: print();" class="" value="drucken">drucken</a></li>
app/views/clients/index.mobile.html.erb:                                <li class="hidden-xs"><a onclick="javascript: print();" class="">KlientInnen drucken</a></li>
app/views/treatments/index.html.erb:                        <li><a onclick="javascript: print();" class="" value="drucken">drucken</a></li>

grep -Eri "drucken" app/views | xargs INTO_A_FANCY_TOOL_WHICH_REMOVES_THOSES LINES