GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
############################################################################# ## #W read.g An attempt at the Ruth Hoffmann #W patternclass Package ## ############################################################################# ## #R Read the install files. ## ReadPackage( "patternclass", "lib/automata.gi" ); ReadPackage( "patternclass", "lib/basics.gi" ); ReadPackage( "patternclass", "lib/transducers.gi" ); ReadPackage( "patternclass", "lib/autStatistics.gi" ); ReadPackage( "patternclass", "lib/autGraphs.gi" ); ReadPackage( "patternclass", "lib/classAndBasis.gi" ); ReadPackage( "patternclass", "lib/graphAut.gi" ); ReadPackage( "patternclass", "lib/decomp.gi" ); ReadPackage( "patternclass", "lib/inversion.gi" ); ReadPackage( "patternclass", "lib/simpleChains.gi" ); ReadPackage( "patternclass", "lib/simpleAuts.gi" ); ReadPackage( "patternclass", "lib/SubAut.gi" ); ## This is highly experimental code on grid classes and not automatically loaded ## if you choose to load it, you are doing it so at your own risk. # ReadPackage( "patternclass", "lib/grid/gridClass.gi" ); #E read.g . . . . . . . . . . . . . . . . . . . . . . . . . . . . ends here