How I format lines into commas, quotes, and SQL lists
· 2 min read
A lot of cleanup work starts as one item per line and needs to become a comma-separated list, quoted list, JSON-ish array, or SQL IN clause.
The Line Comma Formatter tool handles the repetitive part so I can focus on checking whether the result makes sense.
The simple idea
A lot of cleanup work starts as one item per line and needs to become a comma-separated list, quoted list, JSON-ish array, or SQL IN clause.
I still treat the output as something to review, especially when it affects money, dates, privacy, or production data.
Step 1: Paste the one-item-per-line list
Paste the one-item-per-line list.
Step 2: Trim empty lines and extra spaces
Trim empty lines and extra spaces.
Step 3: Choose whether each item needs quotes
Choose whether each item needs quotes.
Step 4: Choose the separator, usually a comma
Choose the separator, usually a comma.
Step 5: Pick the target shape such as array or SQL IN list
Pick the target shape such as array or SQL IN list.
Step 6: Review the first and last item for extra commas
Review the first and last item for extra commas.
Step 7: Escape quotes if the output will go into SQL or code
Escape quotes if the output will go into SQL or code.
My checklist
Before I trust the result, I check:
- Paste the one-item-per-line list.
- Trim empty lines and extra spaces.
- Choose whether each item needs quotes.
- Choose the separator, usually a comma.
- Pick the target shape such as array or SQL IN list.
- Review the first and last item for extra commas.
- Escape quotes if the output will go into SQL or code.
A small tool is most useful when it makes the work visible and easy to verify.
Comments
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