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diff --git a/basic/runtime/org.argeo.basic.nodeps/src/main/java/org/argeo/util/CsvWriter.java b/basic/runtime/org.argeo.basic.nodeps/src/main/java/org/argeo/util/CsvWriter.java
new file mode 100644
index 000000000..19086d613
--- /dev/null
+++ b/basic/runtime/org.argeo.basic.nodeps/src/main/java/org/argeo/util/CsvWriter.java
@@ -0,0 +1,81 @@
+package org.argeo.util;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.util.Iterator;
+import java.util.List;
+
+import org.argeo.ArgeoException;
+
+/** Write in CSV format. */
+public class CsvWriter {
+	private final PrintWriter out;
+
+	private char separator = ',';
+	private char quote = '\"';
+
+	/**
+	 * Creates a CSV writer. The header will be written immediately to the
+	 * stream.
+	 * 
+	 * @param out
+	 *            the stream to write to. Caller is responsible for closing it.
+	 */
+	public CsvWriter(OutputStream out) {
+		super();
+		this.out = new PrintWriter(out);
+	}
+
+	/**
+	 * Write a CSV line. Also used to write a header if needed (this is
+	 * transparent for the CSV writer): simply call it first, before writing the
+	 * lines.
+	 */
+	public void writeLine(List<?> tokens) {
+		try {
+			Iterator<?> it = tokens.iterator();
+			while (it.hasNext()) {
+				writeToken(it.next().toString());
+				if (it.hasNext())
+					out.print(separator);
+			}
+			out.print('\n');
+			out.flush();
+		} catch (IOException e) {
+			throw new ArgeoException("Could not write " + tokens, e);
+		}
+	}
+
+	protected void writeToken(String token) throws IOException {
+		// +2 for possible quotes, another +2 assuming there would be an already
+		// quoted string where quotes needs to be duplicated
+		// another +2 for safety
+		StringBuffer buf = new StringBuffer(token.length() + 6);
+		char[] arr = token.toCharArray();
+		boolean shouldQuote = false;
+		for (char c : arr) {
+			if (!shouldQuote) {
+				if (c == separator)
+					shouldQuote = true;
+				if (c == '\n')
+					shouldQuote = true;
+			}
+
+			if (c == quote) {
+				shouldQuote = true;
+				// duplicate quote
+				buf.append(quote);
+			}
+
+			// generic case
+			buf.append(c);
+		}
+
+		if (shouldQuote == true)
+			out.print(quote);
+		out.print(buf.toString());
+		if (shouldQuote == true)
+			out.print(quote);
+	}
+}