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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
unsetenv
(
+Name
)
Remove an environment variable from the environment. Some systems lack the underlying
unsetenv()
library function. On these systems
unsetenv/1
sets the variable to the empty string.
ClioPatria
(version
V3.1.1-51-ga0b30a5
)