node.js - "nvm" command not recognized in new command line windows/tabs despite presence of "NVM_DIR" variable in both ~/.bashrc and ~/.bash_profile -

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my colleague installed node version manager on macbook using homebrew, , ran 2 commands suggested @ end of install script:

export nvm_dir=~/.nvm source $(brew --prefix nvm)/nvm.sh

everything works fine in terminal window in install took place, if opens new terminal window or new tab, has install nvm on again.

my level of command-line experience relatively low (i don't know don't know), i'm not sure start diagnosing problem. suggestions welcome.

the instructions brew after installing nvm are:

add following $home/.bashrc, $home/.zshrc, or shell's equivalent configuration file:    source $(brew --prefix nvm)/nvm.sh

on os x default settings, want $home/.profile (or ~/.profile). add line above end of file.

running line once set nvm in shell session. if add .profile file, run @ beginning of every shell session.


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