normalize whitespace

2 files changed, 414 insertions, 363 deletions

diff --git a/lib/channels.sh b/lib/channels.sh
index df38c55..512cfcb 100644
--- a/lib/channels.sh
+++ b/lib/channels.sh
@@ -36,10 +36,10 @@ channels_current=""
 ## @param Is a channel key, if any.
 #---------------------------------------------------------------------
 channels_join() {
-	local channel="$1"
-	local key=""
-	[[ -n "$2" ]] && key=" $2"
-	send_raw "JOIN ${channel}${key}"
+  local channel="$1"
+  local key=""
+  [[ -n "$2" ]] && key=" $2"
+  send_raw "JOIN ${channel}${key}"
 }
 
 #---------------------------------------------------------------------
@@ -49,10 +49,10 @@ channels_join() {
 ## @param Is a reason.
 #---------------------------------------------------------------------
 channels_part() {
-	local channel="$1"
-	local reason=""
-	[[ -n "$2" ]] && reason=" :$2"
-	send_raw "PART ${channel}${reason}"
+  local channel="$1"
+  local reason=""
+  [[ -n "$2" ]] && reason=" :$2"
+  send_raw "PART ${channel}${reason}"
 }
 
 ###########################################################################
@@ -67,7 +67,7 @@ channels_part() {
 ## @param The channel to add
 #---------------------------------------------------------------------
 channels_add() {
-	channels_current+=" $1"
+  channels_current+=" $1"
 }
 
 #---------------------------------------------------------------------
@@ -77,7 +77,7 @@ channels_add() {
 ## @param The channel to remove
 #---------------------------------------------------------------------
 channels_remove() {
-	list_remove channels_current "$1" channels_current
+  list_remove channels_current "$1" channels_current
 }
 
 #---------------------------------------------------------------------
@@ -88,11 +88,11 @@ channels_remove() {
 ## @param Reason (ignored).
 #---------------------------------------------------------------------
 channels_handle_part() {
-	local whoparted=
-	parse_hostmask_nick "$1" 'whoparted'
-	if [[ $whoparted == $server_nick_current ]]; then
-		channels_remove "$2"
-	fi
+  local whoparted=
+  parse_hostmask_nick "$1" 'whoparted'
+  if [[ $whoparted == $server_nick_current ]]; then
+    channels_remove "$2"
+  fi
 }
 
 #---------------------------------------------------------------------
@@ -104,10 +104,10 @@ channels_handle_part() {
 ## @param Reason (ignored).
 #---------------------------------------------------------------------
 channels_handle_kick() {
-	local whogotkicked="$3"
-	if [[ $whogotkicked == $server_nick_current ]]; then
-		channels_remove "$2"
-	fi
+  local whogotkicked="$3"
+  if [[ $whogotkicked == $server_nick_current ]]; then
+    channels_remove "$2"
+  fi
 }
 
 #---------------------------------------------------------------------
@@ -117,9 +117,9 @@ channels_handle_kick() {
 ## @param Channel joined.
 #---------------------------------------------------------------------
 channels_handle_join() {
-	local whojoined=
-	parse_hostmask_nick "$1" 'whojoined'
-	if [[ $whojoined == $server_nick_current ]]; then
-		channels_add "$2"
-	fi
+  local whojoined=
+  parse_hostmask_nick "$1" 'whojoined'
+  if [[ $whojoined == $server_nick_current ]]; then
+    channels_add "$2"
+  fi
 }
diff --git a/process_event b/process_event
index 7d93ed5..23e73ea 100644
--- a/process_event
+++ b/process_event
@@ -77,373 +77,424 @@ function process_event
     # If it's a private message
     [[ "${channel_it_came_from}" == "${my_own_name}" ]] && channel_it_came_from="${personoslash}"
 
+
     ######################
     # Echo injected data #
     ######################
 
     # Should send a message like: echo 'This is the message' > /tmp/un-provoked-message-store
-
     injected_data=0
-
     line_filtered=${line##*PRIVMSG +([![:space:]]) :}
 
     if [[ ${personoslash} == tlCJ99mfZl ]]
     then
-	send_msg "${channel_it_came_from}" "${line_filtered}"
-	injected_data=1
-    else
-	###############################################################
-	# This is a message from a user. Make preperations to process #
-	###############################################################
-
-	the_time_now=$(date +%s)
-
-        # Make this person a folder if they don't already have one.
-	if ! [[ -d "announcements/people/${personoslashlower}" ]]
-	then
-	    mkdir -p "announcements/people/${personoslashlower}"
-	fi
-
-        # Record that the person has been seen, and when.
-	touch "announcements/people/${personoslashlower}/seen"
-
-        shopt -s extglob
-
-        # We want to get only the message part of the line
-        sentence="${line#* }"
-        sentence="${sentence#* }"
-        sentence="${sentence#* :}"
-	
-        ##########################
-        # Shared libraries error #
-        ##########################
-
-	the_time_now=$(date +%s)
-
-        # If someone complains about error while loading shared libraries error
-        # then recomend them to the bug tracker.
-	if [[ ${sentence} == *"error while loading shared libraries"* ]]
-	then
-            # Make sure they have not already been recommended to the bug
-	    # tracker less than one day ago.
-	    sharlibsrecfile="announcements/people/${personoslashlower}/shared_libs"
-
-	    # Have we recommended them to the bug tracker before?
-	    if [[ -f ${sharlibsrecfile} ]]
-	    then
-		# Was it less than a day ago?
-		(( ( $( stat -c %Y ${sharlibsrecfile} ) + 86400 ) > the_time_now )) && rec_recent=1 || rec_recent=0
-	    else
-		rec_recent=0
-	    fi
-
-	    if ! (( rec_recent ))
-	    then
-		send_msg "${channel_it_came_from}" "${person}: please report a bug, specifying the exact error message, package of the failing command and architecture: http://labs.parabola.nu"
-		touch "${sharlibsrecfile}"
-	    fi
-	fi
-
-        ##########
-        # Repeat #
-        ##########
-
-	[[ ${sentence} != ${i_repeated} ]] && say_again=yesyes
-
-        # If two different people say the same thing in a row then say it again
-        # for fun.
-	if [[ ${sentence} == ${lastline} ]] && [[ ${person} != ${lastsender} ]] && [[ ${say_again} != nono ]] && [[ ${sentence} != "${my_own_name}: "* ]] # If two different people say the same thing to me in quick sucession I shouldn't repeat them.
-	then
-	    send_msg "${channel_it_came_from}" "${sentence}"
-	    i_repeated="${sentence}"
-	    say_again=nono
-	fi
-
-	lastline="${sentence}"
-	lastsender="${person}"
-
-        #################
-        # Announcements #
-        #################
-
-        # If someone has sent this person a message then echo it to
-        # them.
-        if [[ -f "announcements/people/${personoslashlower}/messages" ]]
+        send_msg "${channel_it_came_from}" "${line_filtered}"
+        injected_data=1
+    fi
+    # NOTE: this 'injected_data' clause is apparently the IPC mechanism
+    #         used by the ./labs_change_detector script
+    #         see ./labs_change_detector, transport/socat.sh, and transport/dev-tcp.sh
+    #       the clause above was originally mutually exclusive
+    #         with the remaining entirety of this function
+    #         and it is the only place where 'injected_data' is set
+    #       yet, 'injected_data' is tested below in the 'Page title getter' section
+    #         so, presumably this 'injected_data' was intended to fall through?
+
+
+    ###############################################################
+    # This is a message from a user. Make preperations to process #
+    ###############################################################
+
+    the_time_now=$(date +%s)
+
+    # Make this person a folder if they don't already have one.
+    if ! [[ -d "announcements/people/${personoslashlower}" ]]
+    then
+        mkdir -p "announcements/people/${personoslashlower}"
+    fi
+
+    # Record that the person has been seen, and when.
+    touch "announcements/people/${personoslashlower}/seen"
+
+    shopt -s extglob
+
+    # We want to get only the message part of the line
+    sentence="${line#* }"
+    sentence="${sentence#* }"
+    sentence="${sentence#* :}"
+
+
+    ##########################
+    # Shared libraries error #
+    ##########################
+
+    # If someone complains about error while loading shared libraries error
+    # then recomend them to the bug tracker.
+    if [[ ${sentence} == *"error while loading shared libraries"* ]]
+    then
+        # Make sure they have not already been recommended to the bug
+        # tracker less than one day ago.
+        sharlibsrecfile="announcements/people/${personoslashlower}/shared_libs"
+
+        # Have we recommended them to the bug tracker before?
+        if [[ -f ${sharlibsrecfile} ]]
         then
-            uniq "announcements/people/${personoslashlower}/messages" |
-            while read line
-            do
-                # The first field is the time, in *nix seconds, that
-                # the message was sent. The second is the name of the
-                # sender. And the rest is the message.
-                intermediate="${line#* }"
-                sender_u="${intermediate%% *}"
-                message_u="${intermediate#* }"
-                time_sent="${line%% *}"
-                
-                seconds_ago_seen="$(( the_time_now - time_sent ))"
-		minutes_ago_seen="$(( ( the_time_now - time_sent ) / 60 ))"
-		hours_ago_seen="$(( ( the_time_now - time_sent ) / 3600 ))"
-		days_ago_seen="$(( ( the_time_now - time_sent ) / 86400 ))"
-		months_ago_seen="$(( ( the_time_now - time_sent ) / 2592000 ))"
-		years_ago_seen="$(( ( the_time_now - time_sent ) / 31104000 ))"
-		if (( seconds_ago_seen < 120 ))
-		then
-		    units="${seconds_ago_seen} seconds"
-		elif (( minutes_ago_seen < 120 ))
-		then
-		    units="${minutes_ago_seen} minutes"
-		elif (( hours_ago_seen < 48 ))
-		then
-		    units="${hours_ago_seen} hours"
-		elif (( days_ago_seen < 60 ))
-		then
-		    units="${days_ago_seen} days"
-		elif (( months_ago_seen < 24 ))
-		then
-		    units="${months_ago_seen} months"
-		else
-		    units="${years_ago_seen} years"
-		fi
+            last_time=$( stat -c %Y ${sharlibsrecfile} )
+
+            (( last_time > the_time_now - 86400 )) && rec_recent=1 || rec_recent=0
+        else
+            rec_recent=0
+        fi
+
+        if ! (( rec_recent ))
+        then
+            send_msg "${channel_it_came_from}" "${person}: please report a bug, specifying the exact error message, package of the failing command and architecture: http://labs.parabola.nu"
+            touch "${sharlibsrecfile}"
+        fi
+    fi
+
+
+    ##########
+    # Repeat #
+    ##########
+
+    [[ ${sentence} != ${i_repeated} ]] && say_again=yesyes
+
+    # If two different people say the same thing in a row then say it again for fun;
+    # unless it was directed at me.
+    if [[ ${sentence} == ${lastline} ]] && [[ ${person} != ${lastsender} ]] && \
+       [[ ${say_again} != nono ]] && [[ ${sentence} != "${my_own_name}: "* ]]
+    then
+        send_msg "${channel_it_came_from}" "${sentence}"
+        i_repeated="${sentence}"
+        say_again=nono
+    fi
+
+    lastline="${sentence}"
+    lastsender="${person}"
+
+
+    #################
+    # Announcements #
+    #################
+
+    # If someone has sent this person a message then echo it to them.
+    if [[ -f "announcements/people/${personoslashlower}/messages" ]]
+    then
+        uniq "announcements/people/${personoslashlower}/messages" |
+        while read line
+        do
+            # The first field is the time, in *nix seconds, that
+            # the message was sent. The second is the name of the
+            # sender. And the rest is the message.
+            intermediate="${line#* }"
+            sender_u="${intermediate%% *}"
+            message_u="${intermediate#* }"
+            time_sent="${line%% *}"
+
+            seconds_ago_seen="$(( the_time_now - time_sent ))"
+            minutes_ago_seen="$(( ( the_time_now - time_sent ) / 60 ))"
+            hours_ago_seen="$(( ( the_time_now - time_sent ) / 3600 ))"
+            days_ago_seen="$(( ( the_time_now - time_sent ) / 86400 ))"
+            months_ago_seen="$(( ( the_time_now - time_sent ) / 2592000 ))"
+            years_ago_seen="$(( ( the_time_now - time_sent ) / 31104000 ))"
+            if (( seconds_ago_seen < 120 ))
+            then
+                units="${seconds_ago_seen} seconds"
+            elif (( minutes_ago_seen < 120 ))
+            then
+                units="${minutes_ago_seen} minutes"
+            elif (( hours_ago_seen < 48 ))
+            then
+                units="${hours_ago_seen} hours"
+            elif (( days_ago_seen < 60 ))
+            then
+                units="${days_ago_seen} days"
+            elif (( months_ago_seen < 24 ))
+            then
+                units="${months_ago_seen} months"
+            else
+                units="${years_ago_seen} years"
+            fi
 
                 send_msg "${channel_it_came_from}" "${personoslash}: ${sender_u} told me to tell you, (${units} ago): ${message_u}"
+        done
+        rm "announcements/people/${personoslashlower}/messages"
+    fi
+
+
+    #####################
+    # Page title getter #
+    #####################
+
+    # We don't want to get the page title if it's injected data
+    # nor if it probably came from a spambot
+    if [[ ${line} =~ http://[^\ ]+ ]] || [[ ${line} =~ https://[^\ ]+ ]] && (( ! injected_data ))
+    then
+        url_to_get="${BASH_REMATCH}"
+        the_title=$(
+            curl -L --compressed "${url_to_get}" 2> /dev/null |
+            while rdom
+            do
+                if [[ ${element} = title ]] || [[ ${element} = TITLE ]]
+                then
+                    sed 's/  / /g' <<< "${content}" | replace_wierd_html_chars
+                fi
             done
-            rm "announcements/people/${personoslashlower}/messages"
+        )
+
+        if ! [[ -z ${the_title} ]]
+        then
+            send_msg "${channel_it_came_from}" "Page title: \`${the_title}'"
         fi
-	
-        #####################
-        # Page title getter #
-        #####################
-
-        # We don't want to get the page title if it's injected data.
-	if [[ ${line} =~ http://[^\ ]+ ]] || [[ ${line} =~ https://[^\ ]+ ]] &&
-	    (( ! injected_data ))
-	then
-	    url_to_get="${BASH_REMATCH}"
-	    
-            the_title=$(
-                curl -L --compressed "${url_to_get}" 2> /dev/null |
-                while rdom
-                do
-                    if [[ ${element} = title ]] || [[ ${element} = TITLE ]]
-                    then
-                        sed 's/  / /g' <<< "${content}" | replace_wierd_html_chars
-                    fi
-                done
-            )
-		
-            if ! [[ -z ${the_title} ]]
-	    then
-	        send_msg "${channel_it_came_from}" "Page title: \`${the_title}'"
-	    fi
-	fi
-
-        case "${sentence}" in
-            ########
-            # Seen #
-            ########
-
-	    "${my_own_name}: when did you last see"* )
-	        subject="${sentence##${my_own_name}: when did you last see }"
-	        subject="${subject##${my_own_name}: when did you last see: }" # If there's an `:', we can still handle it.
-	        subject="${subject%\?}"
-	        subject="${subject%% *}"
-                declare -l subjectlower="${subject}"
+    fi
+
+
+    ######################
+    # main chat triggers #
+    ######################
+
+    case "${sentence}" in
+
 
-                if [[ "${subject}" == ${my_own_name} ]]
+        #########
+        # hello #
+        #########
+
+        hello|hi)
+            send_msg "${channel_it_came_from}"  "hello ${person}, it works!!!"
+            ;;
+
+
+        ########
+        # Seen #
+        ########
+
+        "${my_own_name}: when did you last see"* )
+            subject="${sentence##${my_own_name}: when did you last see }"
+            subject="${subject##${my_own_name}: when did you last see: }" # If there's an `:', we can still handle it.
+            subject="${subject%\?}"
+            subject="${subject%% *}"
+            declare -l subjectlower="${subject}"
+
+            if [[ "${subject}" == ${my_own_name} ]]
+            then
+                send_msg "${channel_it_came_from}" "I last saw ${subject} speak 0 seconds ago."
+            elif [[ -f "announcements/people/${subjectlower}/seen" ]]
+            then
+                seconds_ago_seen="$(( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ))"
+                minutes_ago_seen="$(( ( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ) / 60 ))"
+                hours_ago_seen="$(( ( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ) / 3600 ))"
+                days_ago_seen="$(( ( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ) / 86400 ))"
+                months_ago_seen="$(( ( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ) / 2592000 ))"
+                years_ago_seen="$(( ( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ) / 31104000 ))"
+                if (( seconds_ago_seen < 120 ))
+                then
+                    send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${seconds_ago_seen} seconds ago."
+                elif (( minutes_ago_seen < 120 ))
+                then
+                    send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${minutes_ago_seen} minutes ago."
+                elif (( hours_ago_seen < 48 ))
                 then
-                    send_msg "${channel_it_came_from}" "I last saw ${subject} speak 0 seconds ago."
-	        elif [[ -f "announcements/people/${subjectlower}/seen" ]]
-	        then
-		    seconds_ago_seen="$(( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ))"
-		    minutes_ago_seen="$(( ( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ) / 60 ))"
-		    hours_ago_seen="$(( ( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ) / 3600 ))"
-		    days_ago_seen="$(( ( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ) / 86400 ))"
-		    months_ago_seen="$(( ( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ) / 2592000 ))"
-		    years_ago_seen="$(( ( the_time_now - $( stat -c %Y announcements/people/${subjectlower}/seen ) ) / 31104000 ))"
-		    if (( seconds_ago_seen < 120 ))
-		    then
-		        send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${seconds_ago_seen} seconds ago."
-		    elif (( minutes_ago_seen < 120 ))
-		    then
-		        send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${minutes_ago_seen} minutes ago."
-		    elif (( hours_ago_seen < 48 ))
-		    then
-		        send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${hours_ago_seen} hours ago."
-		    elif (( days_ago_seen < 60 ))
-		    then
-		        send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${days_ago_seen} days ago."
-		    elif (( months_ago_seen < 24 ))
-		    then
-		        send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${months_ago_seen} months ago."
-		    else
-		        send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${years_ago_seen} years ago."
-		    fi
-	        else
-		    send_msg "${channel_it_came_from}" "I never saw ${subject} speak."
-	        fi
-                ;;
-	    ########
-	    # tell #
-	    ########
-
-	    "${my_own_name}: tell "+([![:space:]])":"+([[:space:]])+([![:space:]])* )
-                # The line will be something such as:
-                # pbot: tell fauno: you suck
-                process="${sentence##${my_own_name}: tell }"
-	        subject="${process%%:*}"
-                message="${process#*:}"
-                message="${message# }"
-
-                if [[ "${subject}" == "${my_own_name}" ]]
+                    send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${hours_ago_seen} hours ago."
+                elif (( days_ago_seen < 60 ))
                 then
-                    send_msg "${channel_it_came_from}" "${my_own_name}: ${personoslash} told me to tell you, (0 seconds ago): ${message}"
+                    send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${days_ago_seen} days ago."
+                elif (( months_ago_seen < 24 ))
+                then
+                    send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${months_ago_seen} months ago."
                 else
-                    declare -l subjectlower="${subject}"
-                    
-                    [[ -d "announcements/people/${subjectlower}" ]] || mkdir -p "announcements/people/${subjectlower}"
-                    # The time in *nix seconds is saved there so that
-                    # pbot can say how long ago the massage was sent
-                    # when he gives it to it's recipient.
-                    echo "$(date +%s) ${personoslash} ${message}" >> "announcements/people/${subjectlower}/messages"
-
-                    response='certainly'
-
-                    send_msg "${channel_it_came_from}" "${personoslash}: ${response}"
-
-                    if ! [[ -f "announcements/people/${subjectlower}/seen" ]]
-                    then
-                        send_msg "${channel_it_came_from}" "${personoslash}: WARNING: I HAVE NEVER SEEN \"${subject}\" HERE BEFORE. CHECK YOUR SPELLING."
-                    fi
+                    send_msg "${channel_it_came_from}" "I last saw ${subject} speak ${years_ago_seen} years ago."
                 fi
-                ;;
-            ############
-	    # factoids #
-            ############
-
-            "${my_own_name}: "+([!/])" is "+([![:space:]])* )
-                declare -l thing="${sentence#${my_own_name}: }"
-                thing="${thing%% is *}"
-                is="${sentence#* is }"
-
-                remember_fact
-                ;;
-            "${my_own_name}: "+([!/])" is: "+([![:space:]])* )
-                declare -l thing="${sentence#${my_own_name}: }"
-                thing="${thing%% is: *}"
-                is="${sentence#* is: }"
-
-		remember_fact
-                ;;
-            "${my_own_name}: "+([![:space:]])" isn't "+([![:space:]])* )
-                declare -l thing="${sentence#${my_own_name}: }"
-                thing="${thing%% isn\'t *}"
-                isnt="${sentence#* isn\'t }"
-
-		forget_fact
-                ;;
-            "${my_own_name}: "+([![:space:]])" isn't: "+([![:space:]])* )
-                declare -l thing="${sentence#${my_own_name}: }"
-                thing="${thing%% isn\'t: *}"
-                isnt="${sentence#* isn\'t: }"
-
-                forget_fact
-                ;;
-            ','+([!/]) )
-                thing="${sentence#,}"
-
-                tell_fact "${thing}" "${channel_it_came_from}"
-                ;;
-	    #############
-            # Footnotes #
-	    #############
-			
-            *\[[[:digit:]]\]* )
-                declare -a fn
-
-                while read -d $'\0' file
-                do
-                    #if match = grep "${file##*/}[ ]\?\[[[:digit:]]\]" <<< "${sentence}"
-                    filename="${file##*/}"
-
-                    declare -l lowersentence="${sentence}"
-
-                    if [[ " ${lowersentence}" =~ [^[:alnum:]]${filename}[\ ]?\[[[:digit:]]\] ]]
-                    then
-                        index="${BASH_REMATCH: -2:1}"
-
-                        fn[${index}]=$(head -1 "${file}")
-                    fi
-                done < <(find info -print0)
-
-                for (( n=0 ; n<50 ; n++ ))
-                do
-                    str="${fn[${n}]}"
-
-                    [[ -z "${str}" ]] && continue
-                    
-                    send_msg "${channel_it_came_from}" "[${n}] ${str}"
-                done
-                ;;
-	    ########################
-	    # unrecognised command #
-	    ########################
-
-	    ${my_own_name}:* | ','* )
-                while read line
-                do
-                    send_msg "${personoslash}" "${line}"
-                done <<< cat << EOF
-Command not recognised. Example commands:
-${my_own_name}: tell Jack: hi Jack
-${my_own_name}: when did you last see Jill?
-${my_own_name}: lemon is yummy
-${my_own_name}: lemon isn't yummy
-,lemon
-EOF
-                ;;
-	esac
+            else
+                send_msg "${channel_it_came_from}" "I never saw ${subject} speak."
+            fi
+            ;;
 
-# ' this comment fixes a bug in emacs shell-script-mode that messes up the syntax highlighting
 
-        # I'm dissabling this feature for now as it was being abused
-        # and would need an overhaul to be abuse-proof + nobody uses it afaik                        
-        # ##########################
-        # # tell someone something #
-        # ##########################
+        ########
+        # tell #
+        ########
 
-        # # TODO: this should be in the case statement                
+        "${my_own_name}: tell "+([![:space:]])":"+([[:space:]])+([![:space:]])* )
+            # The line will be something such as:
+            # pbot: tell fauno: you suck
+            process="${sentence##${my_own_name}: tell }"
+            subject="${process%%:*}"
+            message="${process#*:}"
+            message="${message# }"
 
-        # if [[ "${sentence}" =~ ${my_own_name}: tell\ [^\ ]+\ about\ [^\ ]+ ]]
-        # then
-        #     # TODO: There should be the following three constraints to
-        #     # prevent abuse.
-        #     # 1. People may only ask the bot to tell someone about
-        #     #    something in the #parabola channel, not by query.                
-        #     # 2. pbot will only tell someone something if they're a user
-        #     #    he has seen in the past week
-        #     # 3. each person may use tell no more than 10 times in
-        #     #    three hours.
+            if [[ "${subject}" == "${my_own_name}" ]]
+            then
+                send_msg "${channel_it_came_from}" "${my_own_name}: ${personoslash} told me to tell you, (0 seconds ago): ${message}"
+            else
+                declare -l subjectlower="${subject}"
 
-        #     gotit="${BASH_REMATCH}" # will be like: `,tell jack about blah'
+                [[ -d "announcements/people/${subjectlower}" ]] || mkdir -p "announcements/people/${subjectlower}"
+                # The time in *nix seconds is saved there so that
+                # pbot can say how long ago the massage was sent
+                # when he gives it to it's recipient.
+                echo "$(date +%s) ${personoslash} ${message}" >> "announcements/people/${subjectlower}/messages"
 
-        #     dudep1="${gotit#,tell }"
-        #     dude="${dudep1%% *}"
-        #     thing="${gotit##* }"
+                response='certainly'
 
-        #     if [[ -n "${dude}" ]] && [[ -n "${thing}" ]]
-        #     then
-        #         tell_fact "${thing}" "${dude}" || send_msg "${channel_it_came_from}" "${personoslash}: Error, failed to tell ${dude} about ${thing}"
-        #     fi
-        # fi
+                send_msg "${channel_it_came_from}" "${personoslash}: ${response}"
 
-        # TODO: add a birthday announcement feature, cointoss feature, timer
-        # feature.
+                if ! [[ -f "announcements/people/${subjectlower}/seen" ]]
+                then
+                    send_msg "${channel_it_came_from}" "${personoslash}: WARNING: I HAVE NEVER SEEN \"${subject}\" HERE BEFORE. CHECK YOUR SPELLING."
+                fi
+            fi
+            ;;
 
-        #########
-        # Tests #
-        #########
 
-        #echo "${line}"
-    fi
+        ############
+        # factoids #
+        ############
+
+        "${my_own_name}: "+([!/])" is "+([![:space:]])* )
+            declare -l thing="${sentence#${my_own_name}: }"
+            thing="${thing%% is *}"
+            is="${sentence#* is }"
+
+            remember_fact
+            ;;
+        "${my_own_name}: "+([!/])" is: "+([![:space:]])* )
+            declare -l thing="${sentence#${my_own_name}: }"
+            thing="${thing%% is: *}"
+            is="${sentence#* is: }"
+
+            remember_fact
+            ;;
+        "${my_own_name}: "+([![:space:]])" isn't "+([![:space:]])* )
+            declare -l thing="${sentence#${my_own_name}: }"
+            thing="${thing%% isn\'t *}"
+            isnt="${sentence#* isn\'t }"
+
+            forget_fact
+            ;;
+        "${my_own_name}: "+([![:space:]])" isn't: "+([![:space:]])* )
+            declare -l thing="${sentence#${my_own_name}: }"
+            thing="${thing%% isn\'t: *}"
+            isnt="${sentence#* isn\'t: }"
+
+            forget_fact
+            ;;
+        ','+([!/]) )
+            thing="${sentence#,}"
+
+            tell_fact "${thing}" "${channel_it_came_from}"
+            ;;
+
+
+        #############
+        # Footnotes #
+        #############
+
+        *\[[[:digit:]]\]* )
+            declare -a fn
+
+            while read -d $'\0' file
+            do
+                #if match = grep "${file##*/}[ ]\?\[[[:digit:]]\]" <<< "${sentence}"
+                filename="${file##*/}"
+
+                declare -l lowersentence="${sentence}"
+
+                if [[ " ${lowersentence}" =~ [^[:alnum:]]${filename}[\ ]?\[[[:digit:]]\] ]]
+                then
+                    index="${BASH_REMATCH: -2:1}"
+
+                    fn[${index}]=$(head -1 "${file}")
+                fi
+            done < <(find info -print0)
+
+            for (( n=0 ; n<50 ; n++ ))
+            do
+                str="${fn[${n}]}"
+
+                [[ -z "${str}" ]] && continue
+
+                send_msg "${channel_it_came_from}" "[${n}] ${str}"
+            done
+            ;;
+
+
+        #############
+        # translate #
+        #############
+
+        "${my_own_name}: translate "+([![:space:]])* )
+            local message="${sentence#* translate }"
+            local nick="$(echo "${message%% *}" | tr -d '/')"
+
+            if   [[ -n "${nick}" ]] && [[ ${nick} != ${my_own_name} ]]
+            then if [[ -d announcements/people/${nick} ]]
+                  then translate_user
+                  else translate_message
+                  fi
+            fi
+            ;;
+
+
+        ########################
+        # unrecognised command #
+        ########################
+
+        ${my_own_name}:* | ','* )
+            while read line
+            do
+                send_msg "${personoslash}" "${line}"
+            done <<< cat << EOF
+Command not recognised. Example commands:
+${my_own_name}: tell Jack: hi Jack
+${my_own_name}: when did you last see Jill?
+${my_own_name}: lemon is yummy
+${my_own_name}: lemon isn't yummy
+,lemon
+EOF
+            ;;
+    esac
+
+# ' this comment fixes a bug in emacs shell-script-mode that messes up the syntax highlighting
+
+    # I'm dissabling this feature for now as it was being abused
+    # and would need an overhaul to be abuse-proof + nobody uses it afaik
+    # ##########################
+    # # tell someone something #
+    # ##########################
+
+    # # TODO: this should be in the case statement
+
+    # if [[ "${sentence}" =~ ${my_own_name}: tell\ [^\ ]+\ about\ [^\ ]+ ]]
+    # then
+    #     # TODO: There should be the following three constraints to
+    #     # prevent abuse.
+    #     # 1. People may only ask the bot to tell someone about
+    #     #    something in the #parabola channel, not by query.
+    #     # 2. pbot will only tell someone something if they're a user
+    #     #    he has seen in the past week
+    #     # 3. each person may use tell no more than 10 times in
+    #     #    three hours.
+
+    #     gotit="${BASH_REMATCH}" # will be like: `,tell jack about blah'
+
+    #     dudep1="${gotit#,tell }"
+    #     dude="${dudep1%% *}"
+    #     thing="${gotit##* }"
+
+    #     if [[ -n "${dude}" ]] && [[ -n "${thing}" ]]
+    #     then
+    #         tell_fact "${thing}" "${dude}" || send_msg "${channel_it_came_from}" "${personoslash}: Error, failed to tell ${dude} about ${thing}"
+    #     fi
+    # fi
+
+    # TODO: add a birthday announcement feature, cointoss feature, timer
+    # feature.
+
+    #########
+    # Tests #
+    #########
+
+    #echo "${line}"
 }