Augeas might be helpful http://augeas.net/docs/references/lenses/files/csv-aug.html http://augeas.net/docs/references/lenses/files/csv-aug.html But will requi

Augeas might be helpful http://augeas.net/docs/references/lenses/files/csv-aug.html http://augeas.net/docs/references/lenses/files/csv-aug.html But will require a bit of coding