As the title suggests, I was curious, so I looked it up.
In conclusion, it doesn't matter which one you use, but the reference source is different.
Add bin to refer to the project directory. </ span> </ strong>
See local (global) rails without bin. </ span> </ strong>
Then the main subject. Why can I use the rails command installed with the
→ This is a very shallow misunderstanding! !!
rails is installed with gem as follows.
$ gem install rails -v "5.2.3" $ rails -v Rails 5.2.3
So why does the rails command pass with rails installed with gem? ??
I looked it up.
The environment variables are:
If you check here, it looks like this.
$ ls Ruby26-x64/bin _guard-core* coderay.bat nokogiri* rails.bat ruby_builtin_dlls/ spring* _guard-core.bat erb* nokogiri.bat rake* rubyw.exe* spring.bat bundle.cmd erb.cmd pry* rake.bat sass* sprockets* bundler.cmd gem* pry.bat rake.cmd sass.bat sprockets.bat byebug* gem.cmd puma* rdoc* sass-convert* sqlite3.def byebug.bat guard* puma.bat rdoc.cmd sass-convert.bat sqlite3.dll* chromedriver-helper* guard.bat pumactl* ri* scss* thor* chromedriver-helper.bat irb* pumactl.bat ri.cmd scss.bat thor.bat chromedriver-update* irb.cmd rackup* ridk.cmd setrbvars.cmd tilt* chromedriver-update.bat listen* rackup.bat ridk.ps1 slimrb* tilt.bat coderay* listen.bat rails* ruby.exe* slimrb.bat x64-msvcrt-ruby260.dll*
There were rails. It seems to refer to this.
However, I can't confirm it, so I will investigate further.
The various libraries installed by gems are below.
Check the contents of rails 5.2.3.
$ ls Ruby26-x64/lib/ruby/gems/2.6.0/gems/rails-5.2.3 README.md
that? ?? How do you refer to it? ??
Try using which command.
$ which rails /c/Ruby26-x64/bin/rails
After all rails was referenced in the bin directory directly under Ruby.
By the way, why is it referred to? .. ..
Apparently the which command has the following rules.
which command searches in the order of directories set in the PATH environment variable and displays the first command found strong> span> blockquote> If the command is such a reference, so should the command! !!
Remarks: Specify the path when doing bundle install h2> If you execute it without specifying it, it will be installed as follows as described above.C:\Ruby26-x64\lib\ruby\gems\2.6.0\gemsThe method to specify the path is as followsbundle install --path vendor/bundleNow you can install it in vendor / bundle directly under the project.
By the way, bundle install is also executed by default when rails new, but you can skip it by adding the B option.rails new rails_app -B
Once installed with options, the settings are saved below and you do not need to specify them.
Project /.bundle/config--- BUNDLE_PATH: "vendor/bundle"
Reference h2> Do Rails 4.1 and later console commands always have to add bin /?
How to find the location of the command
Specify the installation path when doing bundle install with rails
Conclusion h2> I wanted to pay more attention to the handling of the local environment on a daily basis.
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