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NAME
       gxl2gv,gv2gxl - GXL-GV converters


SYNOPSIS
       gxl2gv [ -gd?  ] [ -ooutfile ] [ files ]
       gv2gxl [ -gd?  ] [ -ooutfile ] [ files ]


DESCRIPTION
       gxl2gv  converts  between  graphs  represented in GXL and in the GV language. Unless a conversion type is
       specified using a flag, gxl2gv will deduce the type of conversion from the suffix of the  input  file,  a
       ".gv"  suffix  causing  a conversion from GV to GXL, and a ".gxl" suffix causing a conversion from GXL to
       GV.  If no suffix is available, e.g. when the input is from a pipe, and no flags  are  used  then  gxl2gv
       assumes  the  type of the input file from its executable name so that gxl2gv converts from GXL to GV, and
       gv2gxl converts from GV to GXL.

       GXL supports a much richer graph model than GV. gxl2gv will  attempt  to  map  GXL  constructs  into  the
       analogous  GV construct when this is possible. If not, the GXL information is stored as an attribute. The
       intention is that applying gxl2gv|gv2gxl is semantically equivalent to the identity operator.


OPTIONS
       The following options are supported:

       -g     The command name and input file extensions are ignored, the input is taken as a GV file and a  GXL
              file is generated.

       -d     The  command name and input file extensions are ignored, the input is taken as a GXL file and a GV
              file is generated.

       -?     Prints usage information and exits.

       -o outfile
              If specified, the output will be written into the file outfile. Otherwise, output  is  written  to
              standard out.


OPERANDS
       The following operand is supported:

       files   Names  of  files containing 1 or more graphs in GXL or GV.  If no files operand is specified, the
               standard input will be used.


RETURN CODES
       Both gxl2gv and gv2gxl return 0 if there were no problems during conversion; and non-zero  if  any  error
       occurred.


BUGS
       gxl2gv will only convert in one direction even if given multiple files with varying suffixes.

       The conversion can only handle one graph per GXL file.

       There are some GXL constructs which gxl2gv cannot handle.


AUTHORS
       Krishnam Pericherla <kp@research.att.com>
       Emden R. Gansner <erg@research.att.com>


SEE ALSO
       dot(1), libgraph(3), libagraph(3), neato(1), twopi(1)

                                                20 December 2002                                GXL2GV,GV2GXL(1)