More code cleanup on the main bot and its supporting functions.

bot.sh

@@ -4,8 +4,16 @@ if [ "$(whoami)" = "root" ]; then
     echo "This bot should not be ran as root."
     exit 1
 fi
-[ -f functions.sh ] && source functions.sh
-[ -f bot.cfg ] && source bot.cfg
+
+# Load required files.
+for i in "bot.cfg" "functions.sh" ; do
+    if [[ -f "$i" ]]; then
+        source "$i"
+    else
+        echo "Could not find required file \"${i}\"."
+        exit 1
+    fi
+done
 
 # Variables important to modules need to be exported here.
 export allowList
@@ -14,19 +22,23 @@ export input
 export ignoreList
 export quitMessage
 
+# Function called on exit to remove the temporary input file.
 rm_input() {
     if [[ -f "$input" ]]; then
         rm -f "$input"
     fi
 }
 
+# Trap exiting ffrom the program to remove the temporary input file.
 trap rm_input  EXIT
 
+# Set up the connection.
 echo -e "Session started $(date "+%I:%M%p%n    %A, %B %d, %Y").\n\nTo gracefully exit, make sure you are in the allow list and send the command exit to the bot.\n\n" | tee "$log" 
 echo "NICK $nick" > "$input"
 echo "USER $user" >> "$input"
 echo "JOIN #$channel" >> "$input"
 
+# The main loop of the program where we watch for output from irc.
 tail -f "$input" | telnet "$server" "$port" | while read -r result ; do
     # log the session
     echo "$(date "+[$dateFormat]") $result" >> "$log"

functions.sh

@@ -8,30 +8,26 @@ close_bot() {
     echo -en "QUIT :${quitMessage}\r\n" >> "$input"
 }
 
-msg()
-{
-  local msg="PRIVMSG $1 :"
-shift
-echo -en "${msg}$@\r\n" | tee -a "$input"
+msg() {
+    local msg="PRIVMSG $1 :"
+    shift
+    echo -en "${msg}$@\r\n" | tee -a "$input"
 }
 
-nick()
-{
-  local msg="NICK $1"
-shift
-echo -en "${msg}\r\n" | tee -a "$input"
+nick() {
+    local msg="NICK $1"
+    shift
+    echo -en "${msg}\r\n" | tee -a "$input"
 }
 
-reply()
-{
-shift
-  local msg="PRIVMSG $1 :"
-echo -en "${msg}$@\r\n" | tee -a "$input"
+reply() {
+    shift
+    local msg="PRIVMSG $1 :"
+    echo -en "${msg}$@\r\n" | tee -a "$input"
 }
 
-act()
-{
-  local msg="PRIVMSG $1 :\x01ACTION"
-shift
-echo -en "$msg $@\x01\r\n" | tee -a "$input"
+act() {
+    local msg="PRIVMSG $1 :\x01ACTION"
+    shift
+    echo -en "$msg $@\x01\r\n" | tee -a "$input"
 }