grc (generic colouriser)
grc provides two programs: grc and grcat. The main is grcat, which
acts as a filter, i.e. taking standard input, colourising it and
writing to standard output. grcat takes as a parameter the name of
configuration file.
NOTE: to use, add following lines into your ~/.bashrc, ~/.zshrc or in
~/.config/fish/config.fish:
[[ -s "/etc/profile.d/grc.bashrc" ]] && source /etc/profile.d/grc.bashrc
[[ -s "/etc/profile.d/grc.zsh" ]] && source /etc/profile.d/grc.zsh
[[ -s "/etc/profile.d/grc.fish" ]] && source /etc/profile.d/grc.fish