4.35 Operating System Interaction
All
Application
Manual
Name
Summary
Help
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.