StampPDF Batch returns the following numerical codes:

0 returns if:

• no errors occur

-1 returns under limited circumstances:

• If a poorly formed command was used
• If an evaluation version of the product has expired
• If you use only -v on your command line

1 (or greater) returns if a problem occurs with processing

The error codes are consistent with Adobe Acrobat’s standards when such errors occur. A description of the error can be found in the automatically generated error file.