Annotatr: include extra columns





library(annotatr)
read_annotations(con = "test.bed", genome = 'xxx', name = 'test', format = 'bed', extraCols=c(gene_id="character", symbol="character", tx_id="character"))
print(annotatr_cache$get('xxx_custom_test'))     

test.bed

chr1    199     240     gene1   abc     mm10
chr2    200     400     gene2   def     mm10

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