Seconding this answer. Also here is the top directory with previous versions of the utilities: http://hgdownload.soe.ucsc.edu/admin/exe/
Here is the example location of the bigWigToWig location for linux: http://hgdownload.soe.ucsc.edu/admin/exe/linux.x86_64/bigWigToWig
Running any kent util on the command line with no statement prompts the help message:
$ bigWigToWig
bigWigToWig - Convert bigWig to wig. This will keep more of the same structure of the
original wig than bigWigToBedGraph does, but still will break up large stepped sections
into smaller ones.
usage:
bigWigToWig in.bigWig out.wig
options:
-chrom=chr1 - if set restrict output to given chromosome
-start=N - if set, restrict output to only that over start
-end=N - if set, restict output to only that under end
-udcDir=/dir/to/cache - place to put cache for remote bigBed/bigWigs
Maybe try this:
It solved that particular issue but faced other problems in the later steps. Thanks for your time :).