Handbook
Glossary
unset-os-env ( key -- )
Environment variables
Prev:
set-os-env ( value key -- )
Next:
set-os-envs ( assoc -- )
Vocabulary
environment
Inputs
key
a
string
Outputs
None
Word description
Unset an environment variable.
Notes
Names and values of environment variables are operating system-specific.
See also
os-env
,
os-envs
,
set-os-env
,
set-os-envs
,
set-os-envs-pointer
,
change-os-env
,
with-os-env
Definition
USING:
system
;
IN:
environment
HOOK:
unset-os-env
os
( key -- )
Methods
USING:
environment
libc
system
unix.ffi
;
M:
unix
unset-os-env
unsetenv
io-error
;