# Sequence sampling and filtering 

## `obigrep` -- filters sequence files according to numerous conditions

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### The options usable with `obigrep`

#### Selecting sequences based on their caracteristics

Sequences can be selected on several of their caracteristics, their length, their id, their sequence. Options allow for specifying the condition if selection.



{{< include ../lib/options/selection/_min-count.qmd >}}

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Example

: Selecting sequence records representing at least five reads in the dataset.

```bash
obigrep -c 5 data_SPER01.fasta > data_norare_SPER01.fasta
```