A small awk script for crosstab
| Name | Property | Count |
|---|---|---|
| Walter | Bike | 1 |
| Walter | Car | 1 |
| Bill | Plane | 1 |
| Bill | Car | 4 |
| Trump | Plane | 2 |
awk -F, -v first=1 -v sec=2 -v val=3 -f crosstab.awk data-without-header.csv
| Name | Bike | Car | Plane |
|---|---|---|---|
| Walter | 1 | 1 | 0 |
| Bill | 0 | 4 | 1 |
| Trump | 0 | 0 | 2 |
first - The number of the unique column for new table
sec - The number of the column you want to spread
val - The number of the column stores the value
No table header needed in practice
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