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# Count different chars/column

- OCCURRENCE
- DESCRIPTION
- NOTES
- EXAMPLES
- WARNINGS
- BUGS

## OCCURRENCE

### ARB_NT/SAI/Other functions/Count different chars/column

## DESCRIPTION

### For each column in the alignment of the marked species, count the number of different base characters occurring.

### Write result as SAI 'COUNTED_CHARS' with the following interpretation:

    '0'       empty column
    '1'       only 1 base in this column (conserved column)
    '2'..'9'  2..9   different bases occurred
    'A'..'Z'  10..25 different bases occurred

## NOTES

### None

## EXAMPLES

### None

## WARNINGS

### None

## BUGS

### No bugs known