nsonnad

import sys
import csv

tabin = csv.reader(sys.stdin, dialect=csv.excel_tab)
commaout = csv.writer(sys.stdout, dialect=csv.excel)

for row in tabin:
  commaout.writerow(row)

sidharthkuruvila

/**
 * Takes a camel cased identifier name and returns an underscore separated
 * name
 *
 * Example:
 *     camelToUnderscores("thisIsA1Test") == "this_is_a_1_test"
 */
def camelToUnderscores(name: String) = "[A-Z\\d]".r.replaceAllIn(name, {m =>
  "_" + m.group(0).toLowerCase()
})