How do you record a macro to delete all blank lines in Vim?
qa/^$/\ndd@aq
Record a macro that searches for blank lines, deletes them, and recurses.
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Searching...How do you use a macro to delete the first word of every line?
qa0dwjq
Record a macro that goes to the start of line with 0, deletes the first word with dw, and moves down with j.
How do you record a macro to delete text from cursor to a specific pattern?
qad/pattern\nq
Record a macro that deletes from the cursor to the next match of a pattern using d/pattern.
How do you record a macro to convert tabs to spaces on each line?
qa:s/\t/ /g\njq
Record a macro that substitutes all tabs with spaces on the current line, then moves down.
How do you record a macro to copy lines matching a pattern to end of file?
qa/pattern\nyy}pq
Record a macro that searches for a pattern, yanks the matching line, goes to the end of the paragraph, and pastes it.
How do you use a macro to convert CSV data to a Markdown table row?
qaI| <Esc>:s/,/ | /g\nA |<Esc>jq
Record a macro that adds pipe delimiters around CSV fields, converting each line to a Markdown table row format.
How do you use a macro to convert plain URLs to Markdown links?
qayiWi[<Esc>ea](<Esc>pa)<Esc>q
Record a macro that yanks the URL, wraps the text before it in brackets, and appends the URL in parentheses for Markdown link format.
How do you use a macro to convert single quotes to double quotes?
qaf'r"q
Record a macro that finds the next single quote with f' and replaces it with a double quote using r".
How do you use a macro to convert spaces in words to underscores?
qaf r_q
Record a macro that finds the next space with f and replaces it with an underscore using r_.
How do you record a macro to convert 4-space indentation to 2-space?
qa:s/^ / /\njq
Record a macro that substitutes leading 4-space indentation with 2 spaces on each line.
How do you record a macro to clean log file lines by removing timestamps?
qa0d2Wjq
Record a macro that goes to the start of the line, deletes the first two words (timestamp fields), then moves down.
How do you record a macro to convert a list of items into an array literal?
qaI"<Esc>A",<Esc>jq
Record a macro that wraps each line in quotes and adds a trailing comma.
How do you use a macro to rename a variable throughout a function?
qa*Ncgn<C-r>=newName\n<Esc>q
Record a macro using * to search for the word under cursor, cgn to change the next match, type the new name.
How do you record a macro to convert camelCase to snake_case?
qa/[A-Z]\ni_<Esc>l~q
Record a macro that finds the next uppercase letter, inserts an underscore before it, and lowercases it.
How do you use a macro to align variable assignments?
qa0f=40i <Esc>040lDjq
Record a macro that inserts spaces before = to pad to column 40, then trims excess.
How do you use a macro to append a comma to every line?
qaA,<Esc>jq
Record a macro that moves to end of line with A, types a comma, escapes to normal mode, and moves down.
How do you append additional keystrokes to an existing macro?
qA...q
Use uppercase register letter qA to append to macro a instead of overwriting.
How do you use a macro to prepend line numbers to each line?
qaI1. <Esc>jq
Start at line 1, record a macro that inserts 1.
How do I select text inside angle brackets?
vi<
The vi).
How do I toggle the case of all characters in a visual selection?
~ (in visual mode)
In visual mode, pressing ~ toggles the case of every character in the selection.