Entering edit mode
An attempt to export an empty GRanges
object to GFF using export
function from rtracklayer
package fails. Is this behavior intended or is it a bug?
> library(rtracklayer) > export(GRanges(), "test.gff", version = "3") Error in data.frame(seqname, source, feature, start(object), end(object), : arguments imply differing number of rows: 0, 1
> sessionInfo() R version 3.3.2 (2016-10-31) Platform: x86_64-pc-linux-gnu (64-bit) Running under: Ubuntu 14.04.5 LTS locale: [1] LC_CTYPE=cs_CZ.UTF-8 LC_NUMERIC=C LC_TIME=cs_CZ.UTF-8 LC_COLLATE=cs_CZ.UTF-8 [5] LC_MONETARY=cs_CZ.UTF-8 LC_MESSAGES=cs_CZ.UTF-8 LC_PAPER=cs_CZ.UTF-8 LC_NAME=C [9] LC_ADDRESS=C LC_TELEPHONE=C LC_MEASUREMENT=cs_CZ.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] parallel stats4 stats graphics grDevices utils datasets methods base other attached packages: [1] rtracklayer_1.34.2 GenomicRanges_1.26.3 GenomeInfoDb_1.10.3 IRanges_2.8.1 S4Vectors_0.12.1 [6] BiocGenerics_0.20.0 loaded via a namespace (and not attached): [1] lattice_0.20-34 XML_3.98-1.5 Rsamtools_1.26.1 Biostrings_2.42.1 [5] bitops_1.0-6 GenomicAlignments_1.10.0 grid_3.3.2 zlibbioc_1.20.0 [9] XVector_0.14.0 Matrix_1.2-8 BiocParallel_1.8.1 tools_3.3.2 [13] Biobase_2.34.0 RCurl_1.95-4.8 SummarizedExperiment_1.4.0