Github user amberarrow commented on a diff in the pull request:
https://github.com/apache/apex-malhar/pull/326#discussion_r69041055
--- Diff:
library/src/main/java/org/apache/apex/malhar/lib/fs/FSRecordReaderModule.java
---
@@ -0,0 +1,332 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.apex.malhar.lib.fs;
+
+import javax.validation.constraints.Min;
+
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+
+import org.apache.apex.malhar.lib.fs.FSRecordReader.RECORD_READER_MODE;
+import org.apache.hadoop.conf.Configuration;
+
+import com.datatorrent.api.Context;
+import com.datatorrent.api.DAG;
+import com.datatorrent.api.Module;
+import com.datatorrent.common.partitioner.StatelessPartitioner;
+import com.datatorrent.lib.codec.KryoSerializableStreamCodec;
+import com.datatorrent.lib.io.block.BlockMetadata;
+import com.datatorrent.lib.io.block.FSSliceReader;
+import com.datatorrent.lib.io.fs.FileSplitterInput;
+
+/**
+ * This module is used for reading records/tuples from FileSystem. Records
can
+ * be read in parallel using multiple partitions of record reader operator.
+ * (Ordering is not guaranteed when records are read in parallel)
+ *
+ * Input directory is scanned at specified interval to poll for new data.
+ *
+ * The module reads data in parallel, following parameters can be
configured
+ * <br/>
+ * 1. files: list of file(s)/directories to read<br/>
+ * 2. filePatternRegularExp: Files names matching given regex will be
read<br/>
--- End diff --
Files names => Files with names
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