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NAME

       srf_info - Lists information about the contents of an SRF file

SYNOPSIS

       srf_info  [-l bitmap] srf_archive ...

DESCRIPTION

       srf_info  lists some simple frequency metrics on the contents of an SRF
       file, both in terms of how many traces there are and the sort  of  data
       held within them.

       For  efficiencies  sake  some control is given over which statistics to
       gather and display. This is controlled by the -l level  parameter.  The
       value  is  the  summation  of  one  or  more  of  the following values,
       representing the data to display.

       1      Count of good/bad reads.

       2      Counts and compressed size for selected chunk types.

       4      Trace count and trace name prefix for each trace_header.

       8      Base count.

OPTIONS

       -l bitmap
              Controls which statistics to gather and  display.  Bitmap  is  a
              value  from  0  to  15 (1+2+4+8) as described in the DESCRIPTION
              section above.

EXAMPLES

       To count the total number of good and bad reads along with a break down
       of  trace  names per SRF data-block-header we would use bitmap values 1
       and 4 combined.

           srf_info -l 5 foo.srf

       To count the total number of reads for all srf files in a directory.

           srf_info -l 1 *.srf

AUTHOR

       Steven Leonard, Wellcome Trust Sanger Institute

                                 September 19                      srf_info(1)