The mode used for reading files in the file adapter is described here. The maximum size of a file that can be read is 64MB. You can change the settings in the property file of the file adapter execution environment. 0 byte files cannot be read. Read files in the file adapter using permission of HCSC server administrator.

• Batch
  The file to be read is entirely read.
  

The modes used for writing files in the file adapter are described here. Write files in the file adapter using permission of HCSC server administrator.

• New
  A file is created for writing and data is written. If a file to be written already exists, it is overwritten by the data to be written. If an error occurs in the writing process, the data gathered until just before the error occurrence is written. A blank file might be created depending on the time at which the error occurred.
  
• Add
  Data to be written is written by adding it in an existing file. If a file to be written does not exist, a file is created and the data to be written is written. You cannot specify add in the writing mode in XML format file. If an error occurs in the writing process, data is written until just before the error occurrence. A blank file might be created depending on the time at which the error occurred.