The vcfformattag function gets a value from a vcf file.

The function takes three parameters in string format:

  • name of the format column that contains the format of the data column,

  • the name of the data column that contains data for a given PN, the column name is the same as the pn,

  • the tag to get value for.

The function returns the result in string format.


vcfformattag(str,str,str) : str


For the following example vcf excerpt:

#CHROM POS    ID        REF   ALT  QUAL  FILTER  INFO                     FORMAT       NA00001         NA00002         NA00003
20     14370  rs6054257 G     A    29    PASS    NS=3;DP=14;AF=0.5;DB;H2  GT:GQ:DP:HQ  0|0:48:1:51,51  1|0:48:8:51,51  1/1:43:5:.,.
  • vcfformat(format, NA0002, ´HQ´) would return 51,51

  • vcfformat(format, NA0003, ´DP´) would return 5