CSV Column Compare
Lists the elements of one column (left), which are not in another (right), across two CSVs
- Pure Python (s/b 2.7, +3.5)
- Column or 0-index based header selection
- Easy to tweak the reader or it's options (delimiter, escape, etc.)
- Ignores case and padding (via
.lower()and.strip()) - Single File
- In-RAM
- Output is sorted alphabetically
- Output is de-duplicated
... and no testing, license or warranty of any kind!
Usage
wget https://raw.githubusercontent.com/jnmclarty/csvcolcmp/master/main.py
python main.py left.csv some_col right.csv other_col > left_not_in_right.csv