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Comment by matt4077 | Hacker News Reader

I think I'll stick with `brew upgrade` or, more accurately,

    brew update
    brew upgrade  
    npm -g upgrade

    for f in ~/projects/*; do
      cd $f 
      npm update --save 
      npm update --save-dev 
      mix deps.update --all 
      elm-packages update  
      bundle update 
      npm test 
      mix test 
      rake test
    done

View on HN

    # I fixed the script for you:
    [...]
    for f in $(ls -1d ~/projects/**/); do
      cd -- "$f"
      [...]
    done

  [...]
  pushd .
  for [...]
  popd

I'm always a fan of ending up back where I started.

Piling on the nitpick train :) If an error occurs along the way popd won't run, so a subshell might be a better way to accomplish the same thing:

    (
      for ...; do
        cd ...
      done
    )
    # script exits, you're back where you started

If you'd prefer to see it in isolation: pwd; ( cd /tmp; pwd ); pwd

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