grc: grc (generic colouriser) grc: grc: grc provides two programs: grc and grcat. The main is grcat, which grc: acts as a filter, i.e. taking standard input, colourising it and grc: writing to standard output. grcat takes as a parameter the name of grc: configuration file. grc: grc: https://github.com/garabik/grc grc: grc: grc: