copyg - Copy a file of graphs with possible format conversion.
copyg [-gsfp#:#qhx] [infile [outfile]]
Copy a file of graphs with possible format conversion.
-g Use graph6 format for output
-s Use sparse6 format for output In the absence of -g and -s, the
format depends on the header or, if none, the first input line.
Specify range of input lines (first is 1)
-f With -p, assume input lines of fixed length
(ignored if header or first line has sparse6 format).
-h Write a header.
-x Don’t write a header. In the absence of -h and -x, a header is
written if there is one in the input.
-q Suppress auxiliary output.