sed display line number and add / remove comment
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replace a string with sed from specific lines
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How to strip a listing of all (line and block) comments without leaving white space?
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Multi-Line Sed Replace
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How to match a single quote in sed
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SED: insert text after the last line?
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sed : Ignore line starting whitespace for match
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sed fails to remove newline character
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How to have the sed output side by side?
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replacing and adding at the end of lines with one line sed command
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How can I get my sed command to make permanent changes to a file?
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Deleting all C comments with sed
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How to insert a line using sed before a pattern and after a line number?
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Is there a syntax for single-line comments for notebooks?
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Using 'sed' to find and replace
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Commenting out multiple lines of code, specified by line numbers, using vi or vim
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How do I read a CSV file and remove comments from it