Method exists

test/org/apache/pig/test/Util.java:507–516

(PigContext pigContext, String fileName)

    }

    static public boolean exists(PigContext pigContext, String fileName)
    throws IOException {
        Configuration conf = ConfigurationUtil.toConfiguration(
                pigContext.getProperties());
        FileSystem fs = FileSystem.get(conf);
        if(Util.WINDOWS){
            fileName = fileName.replace('\\','/');
        }
        return fs.exists(new Path(fileName));
    }

    /**
    * Helper function to check if the result of a Pig Query is in line with