I love python

translate.py

import csv

def translate_file(fname):
    translated = []
    with open(fname, 'rb') as csvfile:
        reader = csv.reader(csvfile, delimiter=',')
        reader.next()
        for row in reader:
            translated.append(to_class(row[0], row[1], row[2]))
    return to_string_list(translated)

def to_class(systemid, size, units):
    return """
new InstrumentUpdates
{
    SystemId=%s,
    Size=%s,
    Units="%s"
}""" % (systemid, size, units)

def to_string_list(items):
    return ",".join(items)

if __name__ == '__main__':
    ts = translate_file('./instrument-sizes.csv')
    with open('instrument-updates.txt', 'w') as f:
        f.write(ts)
    print ts