annotate 0.4.0/modules/kraken2/extract_contigs/README.md @ 101:ce6d9548fe89

"planemo upload"
author kkonganti
date Thu, 04 Aug 2022 10:45:55 -0400
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kkonganti@101 1 # NextFlow DSL2 Module
kkonganti@101 2
kkonganti@101 3 ```bash
kkonganti@101 4 KRAKEN2_EXTRACT
kkonganti@101 5 ```
kkonganti@101 6
kkonganti@101 7 ## Description
kkonganti@101 8
kkonganti@101 9 Extract FASTA reads or contigs given a FASTA file originally used with `kraken2` tool and a taxa of interest. This specific module uses a `python` script to generate the FASTA reads or contigs and as such requires a `bin` folder with `extract_assembled_filtered_contigs.py` script to be present where the NextFlow script will be executed from.
kkonganti@101 10
kkonganti@101 11 \
kkonganti@101 12  
kkonganti@101 13
kkonganti@101 14 ### `input:`
kkonganti@101 15
kkonganti@101 16 ___
kkonganti@101 17
kkonganti@101 18 Type: `tuple`
kkonganti@101 19
kkonganti@101 20 Takes in a tuple in order of metadata (`meta`), a `path` (`kraken2_output`) type and another `path` (`assembly`) per sample (`id:`).
kkonganti@101 21
kkonganti@101 22 Ex:
kkonganti@101 23
kkonganti@101 24 ```groovy
kkonganti@101 25 [
kkonganti@101 26 [ id: 'FAL00870',
kkonganti@101 27 strandedness: 'unstranded',
kkonganti@101 28 single_end: true,
kkonganti@101 29 kraken2_db: '/hpc/db/kraken2/standard-210914'
kkonganti@101 30 ],
kkonganti@101 31 '/hpc/scratch/test/FAL000870/f1.merged.kraken2.output.txt',
kkonganti@101 32 '/hpc/scratch/test/FAL000870/f1.assembly.fasta'
kkonganti@101 33 ]
kkonganti@101 34 ```
kkonganti@101 35
kkonganti@101 36 \
kkonganti@101 37  
kkonganti@101 38
kkonganti@101 39 #### `meta`
kkonganti@101 40
kkonganti@101 41 Type: Groovy Map
kkonganti@101 42
kkonganti@101 43 A Groovy Map containing the metadata about the FASTA file.
kkonganti@101 44
kkonganti@101 45 Ex:
kkonganti@101 46
kkonganti@101 47 ```groovy
kkonganti@101 48 [
kkonganti@101 49 id: 'FAL00870',
kkonganti@101 50 strandedness: 'unstranded',
kkonganti@101 51 single_end: true,
kkonganti@101 52 kraken2_db: '/hpc/db/kraken2/standard-210914'
kkonganti@101 53 ]
kkonganti@101 54 ```
kkonganti@101 55
kkonganti@101 56 \
kkonganti@101 57  
kkonganti@101 58
kkonganti@101 59 #### `kraken2_output`
kkonganti@101 60
kkonganti@101 61 Type: `path`
kkonganti@101 62
kkonganti@101 63 NextFlow input type of `path` pointing to `kraken2` output file generated using `--output` option of `kraken2` tool.
kkonganti@101 64
kkonganti@101 65 \
kkonganti@101 66  
kkonganti@101 67
kkonganti@101 68 #### `assembly`
kkonganti@101 69
kkonganti@101 70 Type: `path`
kkonganti@101 71
kkonganti@101 72 NextFlow input type of `path` pointing to a FASTA format file, in this case an assembled contig file in FASTA format.
kkonganti@101 73
kkonganti@101 74 \
kkonganti@101 75  
kkonganti@101 76
kkonganti@101 77 ### `output:`
kkonganti@101 78
kkonganti@101 79 ___
kkonganti@101 80
kkonganti@101 81 Type: `tuple`
kkonganti@101 82
kkonganti@101 83 Outputs a tuple of metadata (`meta` from `input:`) and list of extracted FASTQ read ids.
kkonganti@101 84
kkonganti@101 85 \
kkonganti@101 86  
kkonganti@101 87
kkonganti@101 88 #### `asm_filtered_contigs`
kkonganti@101 89
kkonganti@101 90 Type: `path`
kkonganti@101 91
kkonganti@101 92 NextFlow output type of `path` pointing to the extracted FASTA reads or contigs belonging to a particular taxa.
kkonganti@101 93
kkonganti@101 94 \
kkonganti@101 95  
kkonganti@101 96
kkonganti@101 97 #### `versions`
kkonganti@101 98
kkonganti@101 99 Type: `path`
kkonganti@101 100
kkonganti@101 101 NextFlow output type of `path` pointing to the `.yml` file storing software versions for this process.