Tabix is a handy tool to download a region of interest from a .vcf file on an ftp site. Below is an example of how to extract a region on chromosome 1 from a Complete Genomics .vcf file hosted on the 1000 Genomes ftp site. The .vcf.gz file must have a matching .vcf.gz.tbi index file for tabix to work and the chromosome region of interest should not include "chr" with the chromosome number.
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