1NAUTY-COPYG(1)                   Nauty Manual                   NAUTY-COPYG(1)
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NAME

6       nauty-copyg - convert format and select subset
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SYNOPSIS

9       copyg [-gszfp#:#qhx] [infile [outfile]]
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DESCRIPTION

12              Copy a file of graphs with possible format conversion.
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14       -g     Use graph6 format for output
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16       -s     Use sparse6 format for output
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18       -z     Use digraph6 format for output
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20       -i     Use incremental sparse6 format for output
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22              In  the  absence  of -g, -s, -z or -i, the format depends on the
23              header or, if none, the first input line.  As an exception,  di‐
24              graphs are always written in digraph6.
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26       -p# -p#:#
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28              Specify  range  of input lines (first is 1) This can fail if the
29              input has incremental lines.
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31       -f     With -p, assume input lines of fixed length
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33              (ignored if header or first line has sparse6 format).
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35       -I#    Have at most this number of incremental steps
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37       in a row.
38              Implies -i.
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40       -h     Write a header.
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42       -x     Don't write a header.
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44              In the absence of -h and -x, a header is written if there is one
45              in the input.
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47       -q     Suppress auxiliary output.
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51nauty 2.8.6                     September 2023                  NAUTY-COPYG(1)