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 Get ftp/http info from the ftp_info file.
 Given an archive and data type the script will return:
      ftp address, login name, password, remote directory, and ftp command
  
 Usage: sh_get_ftp_info -archive <archive> -data_type <type> -info
  
        <archive>  One of the archives specified in ftp_info [Default sopac] 
        <type> The type of data you want to extract from the archive select the ftp program to be used [default rinex]
        <info> List the available data_types for all archives
  
 Examples: sh_get_ftp_info -archive sopac -type rinex 
           sh_get_ftp_info -archive cddis -type sp3
           sh_get_ftp_info -info 
  
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