Add workaround for -savn filename argument ending in .gz

Workaround for passing run_spp_nodups.R a filename ending in .gz
for -savn argument.  The script calls gzip internally, which bails
out since the file already has a gz extension.  Instead, rename
file without gz extension and then run gzip.

chipathlon/jobs/wrappers/r_spp_nodups_wrapper.sh

@@ -6,3 +6,10 @@ module load R spp
 # to make r_spp_nodups happy.
 args=`echo $@ | sed -e 's/= /=/g'`
 Rscript ${SPP_NODUPS} $args
+
+# Workaround for passing run_spp_nodups.R a filename ending in .gz
+# for -savn argument.  The script calls gzip internally, which bails
+# out since the file already has a gz extension.  Instead, rename
+# file without gz extension and then run gzip.
+rename .narrowPeak.gz .narrowPeak *.gz
+gzip -v *.narrowPeak