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4.35 Operating System Interaction
All Application Manual Name SummaryHelp

  • Documentation
    • Reference manual
      • Built-in Predicates
        • Operating System Interaction
          • shell/1
          • shell/2
          • getenv/2
          • setenv/2
          • unsetenv/1
          • setlocale/3
          • Windows-specific Operating System Interaction
          • Apple specific Operating System Interaction
          • Dealing with time and date
          • Controlling the swipl-win.exe console window
    • Packages
Availability:built-in
getenv(+Name, -Value)
Get environment variable. Fails silently if the variable does not exist. Please note that environment variable names are case-sensitive on Unix systems and case-insensitive on Windows.
ClioPatria (version V3.1.1-51-ga0b30a5)