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csvutil

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csvutil

github.com/aaron9000/csvutil/

aaron9000/csvutil

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#csvutil - Diff, convert, and preview csv files - Supports `csv`, `markdown`, and `terminal-friendly` output - Works with large files - Small memory footprint (uses read streams) ##Terminal-friendly Output ![screenshot](https://github.com/aaron9000/csvutil/blob/master/assets/screenshot.png) -- ##Installation ``` npm install -g csvutil ``` ##Recipes #####See visual diff of two files ```csvutil -a sample_a.csv -b sample_b.csv``` #####Preview the first 30 rows ```csvutil -a sample_a.csv -r 30``` #####Preview all rows ```csvutil -a sample_a.csv -r 0``` #####Render a markdown snippet ```csvutil -a sample_a.csv -o md``` #####Save diff to a file ```csvutil -a sample_a.csv -b sample_b.csv -o csv > file.csv``` ##Argument Reference long | short | type | description | default ----------------------------------------------------|----------------------------------------------------|----------------------------------------------------|----------------------------------------------------|---------------------------------------------------- ` --path-a` | ` -a` | ` file path` | ` source csv path` | ` null` ` --path-b` | ` -b` | ` file path` | ` comparison csv path (for diff)` | ` null` ` --output` | ` -o` | ` string` | ` output format (md|csv|pretty)` | ` pretty` ` --rows` | ` -r` | ` integer` | ` max rows to output (0 for unlimited)` | ` 10` ` --width` | ` -w` | ` integer` | ` max width for pretty & md columns (5 - 50)` | ` 16` ##Diff Example #####Sample A row | id | credit_limit | gender ----------------|----------------|----------------|---------------- 1 | 25000 | 30000 | 1 2 | 25001 | 410000 | 1 3 | 25002 | 260000 | 1 4 | 25003 | 50000 | 1 5 | 25004 | 31000 | 1 #####Sample B row | id | credit_limit | gender ----------------|----------------|----------------|---------------- 1 | 25000 | 30000 | 1 2 | 25001 | 410000 | 1 3 | 25002 | 260000 | 2 4 | 25003 | 50000 | 1 5 | 25004 | 31000 | 2 #####Diff row | id | credit_limit | gender ----------------|----------------|----------------|---------------- 3 | | | 2 5 | | | 2 ##Run Tests ``` npm install npm run test ```