tabix_restartregion: Reset the currently selected region to the beginning.

In WhopGenome: High-Speed Processing of VCF, FASTA and Alignment Data

Description

Reset the currently selected region so that the next read call will return the first line inside that region.

Usage

tabix_restartregion( tabfh )

Arguments

tabfh

Tabix handle, once returned by tabix_open

Details

Use .Call("tabix_restartRegion", tabfh ) to eliminate the slight overhead of using the R wrapper function.

Value

Tabix file handle

Author(s)

Ulrich Wittelsbuerger

See Also

tabix_open

Examples

##
##	Example :
##
gffgzfile  <- system.file("extdata", "ex.gff3.gz", package = "WhopGenome" )
gffh <- tabix_open( gffgzfile )
gffh
##
##
##
tabix_setregion( gffh, "ex.1", 1, 400 )
tabix_read( gffh )
tabix_read( gffh )
tabix_restartregion( gffh )
tabix_read( gffh )
tabix_read( gffh )
tabix_close( gffh )
gffh

WhopGenome documentation built on May 1, 2019, 10:12 p.m.