in src/main/java/com/twitter/sbf/core/SparseBinaryMatrix.java [248:261]
public void outputByRows(String filename) throws IOException {
BufferedWriter rowsWriter = new BufferedWriter(new FileWriter(new File(filename)));
for (int i = 0; i < this.numRows; i++) {
for (int j = 0; j < this.rows[i].length; j++) {
if (j > 0) {
rowsWriter.write(" ");
}
// Add 1 to get back 1-indexing
rowsWriter.write(Integer.toString(this.rows[i][j] + 1));
}
rowsWriter.newLine();
}
rowsWriter.close();
}