VARIABLES READ_WRITE

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VARIABLES READ_WRITE

            CLIC\VARIABLES READ_WRITE ON|OFF

        Input/Output file information (Global).

          IN_FILE          Name if input file
          OUT_FILE         Name of output file
          INBLOC           Block of observation in input file
          IDATA            Address od data section in input observation
          INSEC            Number of sections in header
          INEXT            Next available block in input file
          ONEXT            Next available block in output file
          IXNUM            Index number of current observation in input file
          ISEC [INSEC]     Header sections
          ILEN [INSEC]     Length of header section (words)
          IADD [INSEC]     Addresses of header sections (words)
          IVERSION         Observation version (header)
          DVERSION         Observation version (data if applicable)
          IXNEXT           Next available entry in input file index
          OXNEXT           Next available entry in output file index
          CXNEXT           Next available entry in current index
          INWORD           Number of words in current observation
          IDATAL           Length (words) of data section
          MODIFY           (Logical) data is open for modify
          SHARE            (Logical) Output file is shared
          IX_NUM   [ ]     Observation numbers in input file index
          IX_BLOC  [ ]     Blocks numbers of observations in input file
          OX_NUM   [ ]     Observation numbers in output file index
          OX_BLOC  [ ]     Blocks numbers of observations in output file

        The following additional variables are defined by the command FIND:

          FOUND            Number of observations in current index