$cmd .= "\n".$name."_peaks.bed: ".$name."_peaks.xls\n";
$cmd .= "\t$root_dir/scripts/MACS_2_BED.sh $< $name > $@\n\n"
+ $cmd .= "\t/Library/WebServer/CGI-Executables/ValidationDesign/primer_design_cmd.pm http://m304-apple-server.stanford.edu/Tasks/$task/".$name."_peaks.bed $signal > ValidationPrimers.html\n\n";
$cmd .= "\n".$name."_peaks.tab: ".$name."_peaks.bed\n";
$cmd .= "\t".'cat $< | awk \'{print NR"\t"$$1"\t"$$2"\t"$$3"\t1"}\' > $@'."\n\n";