To test a shell script called myscript, the environment variable FOOBAR must be removed
temporarily. How can this be done?
A.
unset -v FOOBAR
B.
set -a FOOBAR=””
C.
env -u FOOBAR myscript
D.
env -i FOOBAR myscript
How can this be done?
To test a shell script called myscript, the environment variable FOOBAR must be removed
temporarily. How can this be done?
env -u doesn’t work on my CentOS system.
#man env
-u, –unset => remove variable from environment
#man env
-u, –unset => remove variable from environment