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I want to refactor many JavaScript files in many directories which contain access to an object in this format: myObj.something.somethingElse and I want it to be myObj.getSomething(somethingElse) how can I achieve this in shell?

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    Please edit the question adding real and testable examples, also add what have you tried so far.
    – schrodingerscatcuriosity
    CommentedNov 1, 2021 at 16:50
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    This is a rather basic use case for sed and a concept known as a backreference. In the abstract, your question is similar to the one answered here. You may find other helpful duplicates by filtering on the [sed] tag and searching for backreference.
    – Jim L.
    CommentedNov 1, 2021 at 17:10
  • Does this answer your question? How can I replace text after a specific word using sed?
    – Greenonline
    CommentedNov 1, 2021 at 17:34
  • The first object has .something and the second has .getSomething... is that correct or should the second also be .something? Or it is that, that you wish to replace, i.e. s/.something/.getSomething/ Please clarify and give accurate examples.
    – Greenonline
    CommentedNov 1, 2021 at 17:36

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You could probably give Sed (the stream editor) a try using it's replacement command s/regexp/replacement/.

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