Java classes you can use standalone or embed in your own programs to Read write align sort and pack comma tab and semicolon- separated variable files commonly known as CSV files. It consists of a 20 Java classes/utilities CSVReader CSVWriter CSVAlign CSVChangeCase CSVCondense CSVDedup CSVDeEntify CSVDump CSVEntify CSVPack CSVPatch CSVReshape CSVSort CSVTabToComma CSVTemplate CSVToHTML CSVToSRS CSVToTable CSVTuple LinesToCSV TableToCSV for reading and writing CSV (Comma Separated Value) formatted files. Also handles tab-separated and semicolon-separated files. This is the format use by Microsoft Word and other Microsoft products. This version now supports # embedded comments. You can configure the separator quote and comment characters. Note that CSV files are perhaps 10 times slower to process than binary files. They are for data interchange with other languages or when human-readibility or editability is important. If you want speed use binary format files e.g. DataInputStream or possibly the convenient but slower objectInputStream. For example CSVAlign aligns the fields in columns for easier proofreading. java com.mindprod.csv.CSVAlign somefile.csv CSVPack removes all unecessary spaces to make at CSV file as compact as possible. java com.mindprod.csv.CSVPack somefile.csv CSVSort sorts CSV file case sensitively insensitively or numerically on a set of columns ascending or descending CSVTabToComma converts a tab-separated file to a comma-separated one. java com.mindprod.csv.CSVTabToComma somefile.csv