Error while attempting to create a VennDiagram with bcftools stats
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4.3 years ago
caro-ca ▴ 20

Dear, I am trying to create a VennDiagram by using bcftools stats and consequently plot-vcfstats. For bcftools stats I followed:

bgzip -c file.vcf > file.vcf.gz
tabix -p vcf file.vcf.gz

But tabix raised this error: 

[E::hts_idx_push] Unsorted positions on sequence #3: 84070 followed by 84069

Therefore, to sort I used this code: 

(grep ^"#" file.vcf ; grep -v ^"#" file.vcf  | sort -k1,1 -k2,2n) > file1_sorted.vcf

Compressing and indexing worked fine for my two VCF files. However, while running 

bcftools stats file1_sorted.vcf.gz file2_sorted.vcf.gz

This is the stdout message:

Failed to open file2_sorted.vcf.gz: unknown file type

I hope you could help me out. Thank you in advance

bcftools sort venndiagram • 2.1k views
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1
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Can you try using bcftools sort? It is best to stay with tools designed for specific file formats in some cases (VCF being one).

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Yeah, I tried and this is the error:

bcftools sort samples_all_merged_STROPE.vcf -Ov samples_all_merged_STROPE_sorted.vcf.gz
Writing to /tmp/bcftools-sort.CWJKlF
[W::vcf_parse] Contig 'chrI' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrII' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrIII' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrIV' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrIX' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrM' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrV' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrVI' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrVII' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrVIII' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrX' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrXI' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrXII' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrXIII' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrXIV' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrXV' is not defined in the header. (Quick workaround: index the file with tabix.)
[W::vcf_parse] Contig 'chrXVI' is not defined in the header. (Quick workaround: index the file with tabix.)
[E::bcf_write] Unchecked error (1), exiting
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Can you give us the output of grep "^##" samples_all_merged_STROPE.vcf

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##ALT=<ID=BND,Description="Translocation">
##ALT=<ID=DEL,Description="Deletion">
##ALT=<ID=DUP,Description="Duplication">
##ALT=<ID=INS,Description="Insertion">
##ALT=<ID=INV,Description="Inversion">
#CHROM  POS     ID      REF     ALT     QUAL    FILTER  INFO    FORMAT  Sample  Sample_1        Sample_2        Sample_3        Sample_4        Sample_5        Sample_6        Sample_7        Sample_8        Sample_9        Sample_10       Sample_11       Sample_12       Sample_13       Sample_14       Sample_15       Sample_16       Sample_17       Sample_18       Sample_19       Sample_20       Sample_21       Sample_22       Sample_23
       Sample_24       Sample_25       Sample_26       Sample_27       Sample_28       Sample_29       Sample_30       Sample_31       Sample_32
       Sample_33       Sample_34       Sample_35       Sample_36       Sample_37       Sample_38       Sample_39       Sample_40       Sample_41
       Sample_42       Sample_43       Sample_44       Sample_45       Sample_46       Sample_47       Sample_48       Sample_49       Sample_50
       Sample_51       Sample_52       Sample_53       Sample_54       Sample_55       Sample_56       Sample_57       Sample_58       Sample_59
       Sample_60       Sample_61       Sample_62       Sample_63       Sample_64       Sample_65       Sample_66       Sample_67       Sample_68
       Sample_69       Sample_70       Sample_71       Sample_72       Sample_73       Sample_74       Sample_75       Sample_76       Sample_77
       Sample_78       Sample_79       Sample_80       Sample_81       Sample_82       Sample_83       Sample_84       Sample_85       Sample_86
       Sample_87       Sample_88       Sample_89       Sample_90       Sample_91       Sample_92
##fileDate=20200812
##fileformat=VCFv4.1
##FORMAT=<ID=AAL,Number=1,Type=String,Description="Alternative allele sequence reported from input.">
##FORMAT=<ID=CO,Number=1,Type=String,Description="Coordinates">
##FORMAT=<ID=DR,Number=2,Type=Integer,Description="# supporting reference,variant reads in that order">
##FORMAT=<ID=GT,Number=1,Type=String,Description="Genotype">
##FORMAT=<ID=ID,Number=1,Type=String,Description="Variant ID from input.">
##FORMAT=<ID=LN,Number=1,Type=Integer,Description="predicted length">
##FORMAT=<ID=PSV,Number=1,Type=String,Description="Previous support vector">
##FORMAT=<ID=QV,Number=1,Type=String,Description="Quality values: if not defined a . otherwise the reported value.">
##FORMAT=<ID=RAL,Number=1,Type=String,Description="Reference allele sequence reported from input.">
##FORMAT=<ID=ST,Number=1,Type=String,Description="Strand of SVs">
##FORMAT=<ID=TY,Number=1,Type=String,Description="Types">
##INFO=<ID=CHR2,Number=1,Type=String,Description="Chromosome for END coordinate in case of a translocation">
##INFO=<ID=CIEND,Number=2,Type=String,Description="PE confidence interval around END">
##INFO=<ID=CIPOS,Number=2,Type=String,Description="PE confidence interval around POS">
##INFO=<ID=END,Number=1,Type=Integer,Description="End position of the structural variant">
##INFO=<ID=IMPRECISE,Number=0,Type=Flag,Description="Imprecise structural variation">
##INFO=<ID=MAPQ,Number=1,Type=Integer,Description="Median mapping quality of paired-ends">
##INFO=<ID=PRECISE,Number=0,Type=Flag,Description="Precise structural variation">
##INFO=<ID=RE,Number=1,Type=Integer,Description="read support">
##INFO=<ID=STRANDS,Number=1,Type=String,Description="Indicating the direction of the reads with respect to the type and breakpoint.">
##INFO=<ID=SUPP,Number=1,Type=String,Description="Number of samples supporting the variant">
##INFO=<ID=SUPP_VEC,Number=1,Type=String,Description="Vector of supporting samples.">
##INFO=<ID=SVLEN,Number=1,Type=Integer,Description="Length of the SV">
##INFO=<ID=SVMETHOD,Number=1,Type=String,Description="Method for generating this merged VCF file.">
##INFO=<ID=SVTYPE,Number=1,Type=String,Description="Type of the SV.">
##source=SURVIVOR
~
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This file is really short compared to the non-sorted file, is there a way to upload files?

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It tells me enough to diagnose what went wrong. There is no need to upload large files.

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You should not have used the grep -> sort thing you used - that command sequence is flawed and it corrupted the file. Please use bcftools sort on the file.vcf that you used grep/sort on.

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I used this code, but it did not work. 

bcftools sort samples_all_merged_STROPE.vcf -Ov samples_all_merged_STROPE_sorted.vcf.gz

Am I using it correctly?

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No, -Ov means you're expected uncompressed VCF as output, which you're saving in a vcf.gz file. Use either -Oz or save it as a .vcf file.

Can you give us the output to:

bcftools view -h samples_all_merged_STROPE.vcf | grep -m50 "^##contig"
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This is the output of bcftools

   bcftools sort samples_all_merged_STROPE.vcf -Ov samples_all_merged_STROPE_sorted.vcf
    Writing to /tmp/bcftools-sort.iB3jln
    [W::vcf_parse] Contig 'chrI' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrII' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrIII' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrIV' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrIX' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrM' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrV' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrVI' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrVII' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrVIII' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrX' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrXI' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrXII' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrXIII' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrXIV' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrXV' is not defined in the header. (Quick workaround: index the file with tabix.)
    [W::vcf_parse] Contig 'chrXVI' is not defined in the header. (Quick workaround: index the file with tabix.)
    [E::bcf_write] Unchecked error (1), exiting

and bcftools view does not retrieve anything.

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To sum up:

  • I used bcftools sort , it did not work (stdout message above).
  • Consequently I used bcftools view -h samples_all_merged_STROPE.vcf | grep -m50 "^##contig" having no output nor error messages.

  • Lastly, I used bcftools view samples_all_merged_STROPE.vcf -Oz -o samples_all_merged_STROPE_sorted.vcf.gz having an output, but while executing bcftools index samples_all_merged_STROPE_sorted.vcf.gz this is the error message:

    [E::hts_idx_push] Unsorted positions on sequence #3: 84070 followed by 84069
index: failed to create index for "samples_all_merged_STROPE_sorted.vcf.gz"

Thank you in advance for your persistent help.

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It looks like your contig lines are missing - which is a HUGE problem. The grep output from a comment above shows me your header is already messed up. The conclusion is - the file samples_all_merged_STROPE.vcf is not usable in its current form.

How did you create the samples_all_merged_STROPE.vcf file? You're going to have to re-create it after fixing any problems in the process that created it.

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