grep -E -A1 'msgid "#' translations/source/*/formula/messages.po | grep -B1 'msgstr "[^#"]'

translations/source/sd/formula/messages.po:msgid "#All"
translations/source/sd/formula/messages.po-msgstr "سڀ "
--
translations/source/sd/formula/messages.po:msgid "#Headers"
translations/source/sd/formula/messages.po-msgstr "صفحي مٿان شرحون"
--
translations/source/sd/formula/messages.po:msgid "#Data"
translations/source/sd/formula/messages.po-msgstr "डाटा"