csv-excel-merger
CSV/Excel Merger
Intelligently merge multiple CSV or Excel files with automatic column matching and data deduplication.
Instructions
When a user needs to merge CSV or Excel files:
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Analyze Input Files:
- How many files need to be merged?
- What format (CSV, Excel, TSV)?
- Are the files provided or need to be read from disk?
- Do columns have the same names across files?
- What is the primary key (unique identifier)?
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Inspect File Structures:
- Read headers from each file
- Identify column names and data types
- Detect encoding (UTF-8, Latin-1, etc.)
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