circo - graphviz version 2.38.0 (20140413.2041)

Error: circo: option -- unrecognized Usage: circo [-Vv?] [-(GNE)name=val] [-(KTlso)<val>] <dot files> (additional options for neato) [-x] [-n<v>] (additional options for fdp) [-L(gO)] [-L(nUCT)<val>] (additional options for memtest) [-m<v>] (additional options for config) [-cv] -V - Print version and exit -v - Enable verbose mode -Gname=val - Set graph attribute 'name' to 'val' -Nname=val - Set node attribute 'name' to 'val' -Ename=val - Set edge attribute 'name' to 'val' -Tv - Set output format to 'v' -Kv - Set layout engine to 'v' (overrides default based on command name) -lv - Use external library 'v' -ofile - Write output to 'file' -O - Automatically generate an output filename based on the input filename with a .'format' appended. (Causes all -ofile options to be ignored.) -P - Internally generate a graph of the current plugins. -q[l] - Set level of message suppression (=1) -s[v] - Scale input by 'v' (=72) -y - Invert y coordinate in output -n[v] - No layout mode 'v' (=1) -x - Reduce graph -Lg - Don't use grid -LO - Use old attractive force -Ln<i> - Set number of iterations to i -LU<i> - Set unscaled factor to i -LC<v> - Set overlap expansion factor to v -LT[*]<v> - Set temperature (temperature factor) to v -m - Memory test (Observe no growth with top. Kill when done.) -m[v] - Memory test - v iterations. -c - Configure plugins (Writes $prefix/lib/graphviz/config with available plugin information. Needs write privilege.) -? - Print usage and exit