I’ll spoil it – “printenv” is your friend. This guide will show a few examples of how to use it.
printenvThis will print something like this:
...
rvm_bin_path=/Users/josephtyler/.rvm/bin
VIRTUALENVWRAPPER_SCRIPT=/usr/local/bin/virtualenvwrapper.sh
VIRTUALENVWRAPPER_PROJECT_FILENAME=.project
TERM_PROGRAM=Apple_Terminal
GEM_HOME=/Users/josephtyler/.rvm/gems/ruby-2.2.0
SHELL=/bin/bash
...Still using printenv if you specify a name, then the value is printed (supposing it exists).
printenv RUBY_VERSIONruby-2.2.0I’ll spoil it – “printenv” is your friend. This guide will show a few examples of how to use it.
printenvThis will print something like this:
...
rvm_bin_path=/Users/josephtyler/.rvm/bin
VIRTUALENVWRAPPER_SCRIPT=/usr/local/bin/virtualenvwrapper.sh
VIRTUALENVWRAPPER_PROJECT_FILENAME=.project
TERM_PROGRAM=Apple_Terminal
GEM_HOME=/Users/josephtyler/.rvm/gems/ruby-2.2.0
SHELL=/bin/bash
...Still using printenv if you specify a name, then the value is printed (supposing it exists).
printenv RUBY_VERSIONruby-2.2.0Share
I’ll spoil it – “printenv” is your friend. This guide will show a few examples of how to use it.
printenvThis will print something like this:
...
rvm_bin_path=/Users/josephtyler/.rvm/bin
VIRTUALENVWRAPPER_SCRIPT=/usr/local/bin/virtualenvwrapper.sh
VIRTUALENVWRAPPER_PROJECT_FILENAME=.project
TERM_PROGRAM=Apple_Terminal
GEM_HOME=/Users/josephtyler/.rvm/gems/ruby-2.2.0
SHELL=/bin/bash
...Still using printenv if you specify a name, then the value is printed (supposing it exists).
printenv RUBY_VERSIONruby-2.2.0I’ll spoil it – “printenv” is your friend. This guide will show a few examples of how to use it.
How to Print Environment Variables in Linux/Unix
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printenvThis will print something like this:
...
rvm_bin_path=/Users/josephtyler/.rvm/bin
VIRTUALENVWRAPPER_SCRIPT=/usr/local/bin/virtualenvwrapper.sh
VIRTUALENVWRAPPER_PROJECT_FILENAME=.project
TERM_PROGRAM=Apple_Terminal
GEM_HOME=/Users/josephtyler/.rvm/gems/ruby-2.2.0
SHELL=/bin/bash
...Still using printenv if you specify a name, then the value is printed (supposing it exists).
printenv RUBY_VERSIONruby-2.2.0printenvThis will print something like this:
...
rvm_bin_path=/Users/josephtyler/.rvm/bin
VIRTUALENVWRAPPER_SCRIPT=/usr/local/bin/virtualenvwrapper.sh
VIRTUALENVWRAPPER_PROJECT_FILENAME=.project
TERM_PROGRAM=Apple_Terminal
GEM_HOME=/Users/josephtyler/.rvm/gems/ruby-2.2.0
SHELL=/bin/bash
...printenvThis will print something like this:
...
rvm_bin_path=/Users/josephtyler/.rvm/bin
VIRTUALENVWRAPPER_SCRIPT=/usr/local/bin/virtualenvwrapper.sh
VIRTUALENVWRAPPER_PROJECT_FILENAME=.project
TERM_PROGRAM=Apple_Terminal
GEM_HOME=/Users/josephtyler/.rvm/gems/ruby-2.2.0
SHELL=/bin/bash
...1
Use printenv to print all environment variables
Still using printenv if you specify a name, then the value is printed (supposing it exists).
printenv RUBY_VERSIONruby-2.2.0Still using printenv if you specify a name, then the value is printed (supposing it exists).
printenv RUBY_VERSIONruby-2.2.02
If a name is specified, only its value is printed
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