Post Closed as "Duplicate" by muru, Scott - Слава Україні, Thomas Dickey, Gilles 'SO- stop being evil' bash

occurred Dec 28, 2015 at 23:08

added 22 characters in body; edited tags; edited title

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edited Dec 28, 2015 at 23:08

get environment variable by environmentvariable name?

forFor example, I have a variable:

env_name="GOPATH"

nowNow I want to get the system GOPATHenvironment variable GOPATH as if like this:

echo $GOPATH

howHow can I get $GOPATH by $env_name?

get environment by environment name?

for example, I have a variable:

env_name="GOPATH"

now I want to get the system GOPATH like this:

echo $GOPATH

how can I get $GOPATH by $env_name?

For example, I have a variable:

env_name="GOPATH"

Now I want to get the environment variable GOPATH as if like this:

echo $GOPATH

How can I get $GOPATH by $env_name?

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asked Dec 28, 2015 at 10:11

roger

for example, I have a variable:

env_name="GOPATH"

now I want to get the system GOPATH like this:

echo $GOPATH

how can I get $GOPATH by $env_name?