UNIX, get environment variable

unix shell environment echo

You can do:

printenv VARIABLE_NAME

unix shell environment echo

type the following command in terminal, it will display all the list of environment variables

printenv

now print the wanted variable like this:

echo $VARIABLENAME

unix shell environment echo

Do you mean something like this:

ENV() {    printf 'echo $%s\n' $1 | sh}

This works in plain old Bourne shell.

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