Updated script to default to log. Added better output format via awk

gab

@@ -1,18 +1,24 @@
 #!/bin/bash
 # Gab is an alternate client to the chat program at colorfield.space
-# It assumes that a file named gablog exists in the same directory as the script.
-# Gablog can be moved pretty much anywhere though. :)
+# Replace the $file_path variable with the path to your chat log
+# It is assumed that each line of chat starts as follows: "user_name >"
+# other schemes or formats will require modification of the awk script
+# found on lines 40 & 46
 # # # # # #->
 
-help="GAB - A simple chat interface\n\nsyntax: gab [flag] [value]\n\nflag          value\n----------    ---------------\n-h, --help     none\n-m, --msg      Quoted text with the msg being added to chat\n-l, --log      An integer representing the number of rows you'd like to view, default 5"
+help_text=$'GAB - A simple chat interface\n\nsyntax: gab [flag] [value]\n\nflag          value\n----------    ---------------\n-h, --help     none\n-m, --msg      Quoted text with the msg being added to chat\n-l, --log      An integer representing the number of rows you\'d like to view, default 5'
 
+file_path=./test.txt
 title="GAB v1.0"
-last_date="Last message: $(date -r ./gablog)"
+last_date="Last message: $(date -r $file_path)"
 
 if [ -z "$1" ]
 then
-	echo "No argument provided"
-	exit 1
+	echo $title
+	echo $last_date
+	echo ""
+	tail -n 5 $file_path | awk '{out="\033[7m " $1 " \033[0m "; for (i=3; i<=NF; i++) {out=out" "$i}; print out ORS "- - -"}'
+
 else
 	case "$1" in
 		-m | --msg) 
@@ -21,12 +27,14 @@ else
 				echo "Must pass a quoted string w/ the msg flag"
 				exit 1
 			else
-				echo "$USER >  $2" >> ./gablog
+				echo "$USER >  $2" >> $file_path
 				if [ $? -eq 0 ]
 				then
 					echo "Successfully added text to chatlog"
+					exit 0
 				else
 					echo "Error adding text to chatlog"
+					exit 1
 				fi
 			fi;;
 		-l | --log) 
@@ -35,18 +43,20 @@ else
 				echo $title
 				echo $last_date
 				echo ""
-				tail -n 5 ./gablog
+				tail -n 5 $file_path | awk '{out="\033[7m " $1 " \033[0m "; for (i=3; i<=NF; i++) {out=out" "$i}; print out ORS "- - -"}'
 			elif [[ "$2" =~ ^[0-9]+$ ]]
 			then
 				echo $title
 				echo $last_date
 				echo ""
-				tail -n $2 ./gablog
+				tail -n $2 $file_path | awk '{out="\033[7m " $1 " \033[0m "; for (i=3; i<=NF; i++) {out=out" "$i}; print out ORS "- - -"}'
 			else
 				echo "Invalid: log value must be an integer"
 				exit 1
 			fi;;
-		-h | --help) echo $help;;
+		-h | --help) 
+			echo "$help_text"
+			exit 0;;
 		*) 
 			echo "Unknown flag $1"
 			exit 1;;