/usr/bin/time -f '%E elapsed,%U user,%S system,%M memory, %x status' bigwigCompare --ratio subtract --bigwig1 /data/reddylab/projects/ggr_dedex/data/chip_seq//mapped_reads/A549.EP300.dedex.00h30m.rpkm.ctrl_subtracted.bw --bigwig2 /data/reddylab/projects/ggr_dedex/data/chip_seq//mapped_reads/A549.EP300.dedex.00h00m.rpkm.ctrl_subtracted.bw --binSize 1 --numberOfProcessors=8 --outFileFormat bigwig --outFileName /data/reddylab/projects/ggr_dedex/data/chip_seq//mapped_reads/A549.EP300.dedex.00h30m_subtract_00h00m.rpkm.ctrl_subtracted.bw 
[bwHdrRead] There was an error while reading in the header!
Traceback (most recent call last):
  File "/data/reddylab/software/miniconda2/envs/ian/bin/bigwigCompare", line 11, in <module>
    main(args)
  File "/data/reddylab/software/miniconda2/envs/ian/lib/python2.7/site-packages/deeptools/bigwigCompare.py", line 152, in main
    extendPairedEnds=False)
  File "/data/reddylab/software/miniconda2/envs/ian/lib/python2.7/site-packages/deeptools/writeBedGraph_bam_and_bw.py", line 177, in writeBedGraph
    fh = pyBigWig.open(fileName)
RuntimeError: Received an error during file opening!
0:04.92 elapsed,1.06 user,7.05 system,39560 memory, 1 status