iii alike frontend for sic

sic.sh

#!/usr/bin/env sh

: "${c:=12}"               # max channel width
: "${n:=12}"               # max user name width
: "${p:=1}"                # prettify - colors and stuff
: "${w:=110}"              # max mesg width
: "${s:="|"}"              # the separator

trap "stty '$(stty -g)'; kill -TERM 0" EXIT
stty -echonl -echo

usage() {
  printf '%s\n' "sic.sh [-h host] [-p port] [-n nick] [-k pass]" >&2
  exit 1
}

while [ -n "$1" ]; do
	if [ -z "$2" ]; then
		printf 'sic.sh: no argument for option: %s\n' "$1" >&2
		usage
	fi

	case "$1" in
		-h)
			host="$2"
			;;
		-p)
			port="$2"
			;;
		-n)
			nick="$2"
			;;
		-k)
			pass="$2"
			;;
		*)
			printf 'sic.sh: unknown option: %s\n' "$1" >&2
			usage
			;;
	esac
	shift 2
done

[ -z "$host" ] && host='chat.freenode.net'
[ -z "$port" ] && port='6667'
[ -z "$nick" ] && nick="$USER"

rlwrap -a -s 100 sic -h "$host" -p "$port" -n "$nick" -k "$pass" | while IFS= read -r line
do
	unset chan date time user comm prms mesg
	unset chanclr dateclr userclr mesgclr

	chan="${line%%:*}" line="${line#*: }" chan="${chan%% *}"
	date="${line%% *}" line="${line#* }"
	time="${line%% *}" line="${line#* }"
	user="${line%% *}" line="${line#* }"

	if [ "$user" != '><' ]
	then user="${user#<}" user="${user%>}"
	else
		comm="${line%% *}" line="${line#* (}"
		prms="${line%%)*}" line="${line#*): }"

		if [ -n "${chan%%#*}" -a "${chan}" != "${nick}" ]
		then
			user="${chan}"
			chan="${prms%% *}"
			line="${comm} ${line:-"${prms#* }"}"
		fi
	fi

	echo "$line" | fold -s -w "$w" | while IFS= read -r mesg; \
	do
		# handle ACTION messages
		case "$mesg" in
			
ACTION*)
				mesg="${user} ${mesg#
ACTION}"
				user='*'
				;;
		esac

		# prettify - colors and stuff
		if [ "$p" -ne 0 ]
		then
			dateclr="$(tput setaf 6)"
			chanclr="$(tput setaf $(( $(printf '(%d + %d)' "${#chan}" "'${chan}") % 14 + 1)))"
			seprclr="$(tput setaf 6)"

			if [ "$user" != '><' ]
			then
				userclr="$(tput setaf 2)"
				case "$mesg" in *${nick}*) dateclr="$(tput setaf 3)" ;; esac
			else userclr="$(tput setaf 14)"
			fi

			if [ -n "$comm" ]
			then mesgclr="$(tput setaf 8)"
			else mesgclr="$(tput setaf 7)"
			fi
		fi

		printf '\r%s%s %s %s%*.*s %s%*.*s %s%s %s%s%s\n' \
			"$dateclr" "$date" "$time"       \
			"$chanclr" "$c" "$c" "$chan"     \
			"$userclr" "$n" "$n" "$user"     \
			"$seprclr" "$s"                  \
			"$mesgclr" "$mesg" "$(tput sgr0)"
	done

	[ "${line%%:*}" = 'ERROR Closing Link' ] && exit
done

using #ubuntu as a high-traffic channel -- you won't find me there