Replace heterozygous GT to missing in vcf file using bcftools
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4.4 years ago
User000 ▴ 710

Hello,

I would like to replace all het GT 0/1 or 1/0to missing data ./. ? Is there any way to do it with bcftools? If no how could I do it.

bcftools vcf • 3.3k views
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4.4 years ago
microfuge ★ 1.9k

Not tested it but this comes to mind bcftools filter -S . -e 'GT=="het"' yourFile.vcf.gz

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You mean -i 'GT=="het"' and not -e. OP wants to set all HETs (not all non-HETs) to ./..

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-i doesnt work, -e seems to be working, is it normal?

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Sorry, I'd made a typo that led to a formatting error - I've edited that now. What is the full command you're using?

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Hi, I'm using this command line: /DATA/Tools/bcftools-1.10.2/bcftools filter -S . -e 'GT=="het"' {input.f1} > {output.f2} It seems to be working...it that OK? because I expect -e to exclude, no? Should I run something like /DATA/Tools/bcftools-1.10.2/bcftools filter -i 'GT=="het"' {input.f1} > {output.f2} ?

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If the command you're using works and gives you what you expect, then you're all set. The thing to fix is the gap in my understanding - either I'm misunderstanding how bcftools functions or I'm misunderstanding your requirement. Either way, glad it worked for you.

I've moved micofuge's comment to an answer. Go ahead and accept it (using the green check mark on the left side panel).

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