Samtools - Bam Index
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Generate .bai index to .bam files to quick recover reads from genomic location of interest.

**Location**

- *Filepath:* <SnakeLines_dir>/rules/mapping/index/samtools.snake
- *Rule name:* samtools__bam_index

**Input(s):**

- *bam:* Mapped reads in bam format

**Output(s):**

- *bai:* Index to mapped reads for enable fast read retrieval from desired genomic region