Provided by: nauty_2.6r10+ds-1ubuntu1_amd64 

NAME
nauty-checks6 - check a file of graphs and optionally perform corrections
SYNOPSIS
checks6 [-p#:#w] [infile [outfile]]
DESCRIPTION
Check a file of graphs, optionally write corrected version
-p# -p#:#
Specify range of input lines (first is 1)
-w Write corrected graphs (default is not to write) A header is written if there is one in the input.
nauty 2.6.10 February 2020 NAUTY-CHECKS6(1)