[LINUX] Bug that unnecessary files are created when the -i and -e options are added to the sed command.

problem

For example, if you do the following

sed -i -e 's/# gem "rails"/gem "rails"/' ./Gemfile

An unnecessary file named Gemfile-e is created.

solution

Put " " after the -i option.

sed -i "" -e 's/# gem "rails"/gem "rails"/' ./Gemfile

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