Usage: countsga [options] [<] <SGA File>
      - version 1.6.0
      where options are:
  		 -h     Show this help text
  		 -d     Print debug information
  		 -f     Feature specifications [name [+|-]]
  		 -c     Count Cut-off (default is 1)

	The program reads a ChIP-seq data file (or from stdin [<]) in SGA format (<SGA File>),
	and computes the total number of tag counts as well as the total sequence length.
	The <Feature> parameter is a name that corresponds to the second field of the SGA file.
	It might optionally include the strand specification (+|-).
	If no feature is given then all input tags are processed.

