Method fileSize

src/org/apache/pig/PigServer.java:1239–1248

Returns the length of a file in bytes which exists in the HDFS (accounts for replication). @param filename @return length of the file in bytes @throws IOException

(String filename)

     * @throws IOException
     */
    public long fileSize(String filename) throws IOException {
        DataStorage dfs = pigContext.getDfs();
        ElementDescriptor elem = dfs.asElement(filename);
        Map<String, Object> stats = elem.getStatistics();
        long length = (Long) stats.get(ElementDescriptor.LENGTH_KEY);
        int replication = (Short) stats
                .get(ElementDescriptor.BLOCK_REPLICATION_KEY);

        return length * replication;
    }

    /**
     * Test whether a file exists.