TIP: If your data is not TAB delimited, use Text Manipulation->Convert
Syntax
This tool counts occurrences of unique values in selected column(s).
Example
Input file:
chr1 10 100 gene1 chr1 105 200 gene2 chr1 205 300 gene3 chr2 10 100 gene4 chr2 1000 1900 gene5 chr3 15 1656 gene6 chr4 10 1765 gene7 chr4 10 1765 gene8
Counting unique values in column c1 will result in:
3 chr1 2 chr2 1 chr3 2 chr4
Counting unique values in the grouping of columns c2 and c3 will result in:
2 10 100 2 10 1765 1 1000 1900 1 105 200 1 15 1656 1 205 300