by shigemk2

当面は技術的なことしか書かない

BufferedReaderとBufferedWriterで書き込みなど

val stream = new java.io.BufferedReader(new java.io.FileReader(new java.io.File("test.csv")))
val buf = Stream.continually(stream.readLine).takeWhile( x => x != null ).map(x => x.replace(",", "\t")).mkString("\n")
val bw = new java.io.BufferedWriter(new java.io.FileWriter("hogehoge.tsv"))
bw.write(buf)
bw.close