To run, install Node and type in the terminal:
make install && make build && make start
findDuplicates = (skus) ->
return _.chain(skus)
.groupBy( (sku) ->
return sku
)
.pairs()
.filter( (item) ->
return item[1].length > 1
)
.map( (item) ->
return item[0]
)
.sortBy( (sku) ->
return sku
)
.value()
Coffescript sources are in src/ folder, compiled JS files are in lib/
.
├── lib/
│ ├── data.js
│ └── find-duplicates.js
├── src/
│ ├── data.coffee
│ └── find-duplicates.coffee
├── output/
│ ├── 1-groupby.json
│ ├── 2-pair.json
│ ├── 3-filter.json
│ └── 4-map.json
├── output.txt
├── ...
└── index.js