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[admin]

There were some errors in the script, this should work:

Code:

<?
require('apps')
setdlheader('text/csv; charset=utf-8', 'Consumption', 'csv')

csv = {}
objects = grp.tag('consumption')

for _, obj in ipairs(objects) do
  csv[ #csv + 1 ] = obj.name .. ',' .. tostring(obj.value)
end

print(table.concat(csv, '\n'))