sed - Bash, inject line into a file

Question

This question already has answers here: question from:https://stackoverflow.com/questions/65916040/bash-inject-line-into-a-file

Answer 1

Answer to the new question:

sed -i '/'$VIMLINE'/{h;d}; $G' ~/.vimrc

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Answer to the old question: You are grepping on $VIMLINE literally, use grep -qxF "$VIMLINE" ... to grep on "color industry" instead.