I want to do :
我想要做 :
env | egrep -o '^\w+=' | unset
The problem is that :
问题是:
env | egrep -o '^\w+='
prints things like (notice the equal sign) :
打印的东西(注意等号):
XDG_VTNR= LC_PAPER= SSH_AGENT_PID= KDE_MULTIHEAD= LC_ADDRESS= XDG_SESSION_ID=
XDG_VTNR = LC_PAPER = SSH_AGENT_PID = KDE_MULTIHEAD = LC_ADDRESS = XDG_SESSION_ID =
How do I extract just the variable names so I can unset them?
如何仅提取变量名称以便我可以取消它们?
1 个解决方案
#1
6
You need something more like this:
你需要更像这样的东西:
for i in `env | sed 's/=.*//'` ; do
unset $i
done
Note, however, this will probably do more things than you want. EG, it'll unset your path too!
但请注意,这可能会比您想要的更多。 EG,它也会破坏你的道路!
#1
6
You need something more like this:
你需要更像这样的东西:
for i in `env | sed 's/=.*//'` ; do
unset $i
done
Note, however, this will probably do more things than you want. EG, it'll unset your path too!
但请注意,这可能会比您想要的更多。 EG,它也会破坏你的道路!