Chapter 2: MPE Tips, Techniques, and Traps

• What is MPE?
• Faster Batch Jobs
• Better On-line Response
• Nugget Utilities for the MPE Shop
• The File System
  • Listing Filenames and Attributes
  • The MPE Name Space
  • The Hierarchical File System
  • File Equations in MPE
  • Opening a File on MPE
  • The Current Working Directory
• FOPEN and FCLOSE on MPE and UNIX
• Filecodes: An Incomplete List
• Command Files
• Capability Bits Restrict Actions
• How MPE Describes Bits
• Privileged Mode (PM)
• What Does MR Stand For?
• Byte Addressing Pitfalls on Classic MPE
• Designing IMAGE/SQL Databases
• The Field List in API Calls
• Paths Are for People
• IMAGE/SQL Intrinsics (aka the API)
• Are Serial Scans Really So Bad?
• Carriage Control Explained (CCTL)
• SPL is the Original HP 3000 System Language