This tool has been tested on ubuntu Linux environment

The perl program and r code need the following package:
(1) Perl Statistics::Basic
http://search.cpan.org/~jettero/Statistics-Basic-1.6607/lib/Statistics/Basic.pod
(2) Perl Math::CDF
http://search.cpan.org/~callahan/Math-CDF-0.1/CDF.pm
(3) R and e1071 package
 R: http://www.r-project.org/
 e1071: http://cran.r-project.org/web/packages/e1071/index.html
 

Usage (an example): 
>perl GExposer.pl -g TAIR10_GFF3_genes.gff -p control1.sam,control2.sam -n treatment1.sam,treatment2.sam -o TairResults


Options:
 -g: GFF annotation file
 -p: sam files of control, such as control1.sam,control2.sam
 -n: sam files of treatment, such as treatment1.sam,treatment2.sam
 -o: output direction, default is "results";









