我看不到如何使用 Snakemake 规则删除已变得无用的 Snakemake 输出文件。
具体来说,我有一个规则bwa_mem_sam
可以创建一个名为{sample}.sam
. 我有另一个规则,bwa_mem_bam
它创建一个名为{sample.bam}
.
这两个文件是否包含不同格式的相同信息,我想删除第一个文件无法成功。
任何帮助将不胜感激。本。
rule bwa_mem_map:
input:
sam="{sample}.sam",
bam="{sample}.bam"
shell:
"rm {input.sam}"
# Convert SAM to BAM.
rule bwa_mem_map_bam:
input:
rules.sam_to_bam.output
# Use bwa mem to map reads on a reference genome.
rule bwa_mem_map_sam:
input:
reference=reference_genome(),
index=reference_genome_index(),
fastq=lambda wildcards: config["units"][SAMPLE_TO_UNIT[wildcards.sample]],
output:
"mapping/{sample}.sam"
threads: 12
log:
"mapping/{sample}.log"
shell:
"{BWA} mem -t {threads} {input.reference} {input.fastq} > {output} 2> {log} "\
"|| (rc=$?; cat {log}; exit $rc;)"
rule sam_to_bam:
input:
"{prefix}.sam"
output:
"{prefix}.bam"
threads: 8
shell:
"{SAMTOOLS} view --threads {threads} -b {input} > {output}"