Fetching a Customer's Details With Expansion (CSV)

This code requires people.csv and country-codes.csv.

\documentclass[captions=tableheading]{scrartcl}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}

\usepackage{datatool}

\DTLloaddb{people}{people.csv}
\DTLloaddb{countries}{country-codes.csv}

\begin{document}

\DTLassignfirstmatch{people}{surname}{Parrot}{%
  \Surname=surname,%
  \Title=title,%
  \AddressI=address1,%
  \AddressII=address2,%
  \Town=town,%
  \County=county,%
  \Postcode=postcode,%
  \CountryCode=country%
}
\xDTLassignfirstmatch{countries}{code}{\CountryCode}{\CountryName=name}

\begin{tabular}{l}
  \Title\ \Surname\\
  \AddressI\\
  \AddressII\\
  \Town\\
  \County\\
  \Postcode\\
  \CountryName
\end{tabular}

\end{document}

Download sample-xassign-csv.tex or sample-xassign-csv.pdf.