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解决invalid record found in VCF4 file (at least 8 tab-delimited fields expected)问题

出现这种问题说明vcf文件不足8个分割制表符,比如像如下文件:
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为了解决这个问题,说明在做snp filter时候,需要提取至少8个制表符的字符串,比如,像如下文件所示:

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解决invalid record found in VCF4 file (at least 8 tab-delimited fields expected)问题