add Rscript directive to genomescope2 command

rules/rulesNew.smk

@@ -283,7 +283,7 @@ rule genomescope2:
 	shell:
 		"""
 		expand -t 1 {input.hist} > {params.cpHist}
-		genomescope2 -i {params.cpHist} -o {params.outFolder} -k 21 -n {wildcards.sample}
+		Rscript genomescope2 -i {params.cpHist} -o {params.outFolder} -k 21 -n {wildcards.sample}
 		grep "Genome Haploid Length" {output.summary} | awk {{'print $6'}} | sed 's/,//g'> {output.estimatedSize}
 		"""