fasta_filter_by_length.py $input $min_length $max_length $output .. class:: infomark **TIP**. To return sequences longer than a certain length, set *Minimal length* to desired value and leave *Maximum length* set to '0'. ----- **What it does** Outputs sequences between *Minimal length* and *Maximum length*. ----- **Example** Suppose you have the following FASTA formatted sequences:: >seq1 TCATTTAATGAC >seq2 ATGGC >seq3 TCACATGATGCCG >seq4 ATGGAAGC Setting the **Minimal length** to **10**, and the **Maximum length** to **0** will return all sequences longer than 10 bp:: >seq1 TCATTTAATGAC >seq3 TCACATGATGCCG