added color print flag and fixed "only edit" bug

client.go

@@ -1,7 +1,7 @@
 // =============================================================================
 // Auth: alex
 // File: client.go
-// Revn: 09-12-2026  3.0.2
+// Revn: 09-15-2026  3.0.3
 // Func: ask server for a message of the day quote
 //
 // TODO: remove ioutil import
@@ -46,7 +46,11 @@
 // 09-07-2026: added fatih/color import
 //             rewrote quoteAnswer() to handle coloring escape
 //              sequences
-// 09-12-2026: commented quoteAnswer()
+//*09-12-2026: commented quoteAnswer()
+//*09-15-2026: added -c flag and color code example printing
+//             changed edit command to be add and then remove instead
+//              of remove and then add, fixing server OOB error when
+//              editting only quote in list
 //
 // =============================================================================
 
@@ -242,7 +246,7 @@ func quoteAnswer( subcom []string ) string {
 
     c.Println()     // print final newline
 
-    fmt.Println( subcom[0] )    // whole-ass just print quote
+    //fmt.Println( subcom[0] )    // whole-ass just print quote
     return "te@success"         // set transaction end message
 }
 
@@ -388,16 +392,18 @@ func secondEdit( subcom []string ) string {
         return "te@success"
     }
 
-    // edit command is a removal and an add
+    // edit command is an add and then a removal
     var resp string
-    resp = "cr@r2@" + subcom[0] + "@ar@"
+    resp = "cr@ar@"
-    // server response is text to be edited
+
     fmt.Println( "as is:   " + subcom[1] )
-    fmt.Print(   "preview: " )  // won't be useful until pretty print
+    fmt.Print(   "preview: " )      // show raw of current quote
     _ = quoteAnswer( subcom[1:] )   // display quote properly
 
-    // get user input for new quote and send
+    // server response is user input for new quote
     resp = resp + in( "\nupdate -> " )
+    // and position of old quote to be removed
+    resp = resp + "@r2@" + subcom[0]
     return resp
 }
 
@@ -558,6 +564,7 @@ var add bool        // add new quotes to quote file ( on server )
 var remove bool     // remove quotes from quote file ( on server )
 var list bool       // request entire quote file from server
 var edit bool       // edit a pre-existing quote from quote file ( on server )
+var co bool         // list color codes
 var dest string     // provide a new destination ip and port
 var tsize int       // size of transmission buffer
 var VERS string         // version
@@ -568,18 +575,19 @@ func main() {
     var vv bool         // big version flag
 
     // define flags
-    flag.BoolVar( &add,    "a", false, "add quote to list" )
+    flag.BoolVar( &add,     "a", false, "add quote to list" )
-    flag.BoolVar( &remove, "r", false, "remove quote from list" )
+    flag.BoolVar( &remove,  "r", false, "remove quote from list" )
-    flag.BoolVar( &list,   "l", false, "print quote list" )
+    flag.BoolVar( &list,    "l", false, "print quote list" )
-    flag.BoolVar( &edit,   "e", false, "edit quote from list" )
+    flag.BoolVar( &edit,    "e", false, "edit quote from list" )
-    flag.StringVar( &dest, "ip", "127.0.0.1:1300", "ip:port of server" )
+    flag.BoolVar( &co,      "c", false, "list color codes with examples" )
-    flag.IntVar( &tsize,   "s", 256, "transmission size ( bytes )" )
+    flag.StringVar( &dest,  "ip", "127.0.0.1:1300", "ip:port of server" )
-    flag.BoolVar( &v,      "v",  false, "display version and exit" )
+    flag.IntVar( &tsize,    "s", 256, "transmission size ( bytes )" )
-    flag.BoolVar( &vv,     "vv", false, "display version and about info and exit" )
+    flag.BoolVar( &v,       "v",  false, "display version and exit" )
+    flag.BoolVar( &vv,      "vv", false, "display version and about info and exit" )
     flag.Parse()
 
     // FIXME get better versioning method
-    VERS = "3.0.2"
+    VERS = "3.0.3"
 
     if vv {         // display info and exit
         fmt.Println( "ekho client v" + VERS )
@@ -592,6 +600,54 @@ func main() {
         return
     }
 
+    if co {         // display color codes and examples and quit
+        // print color code and color example on same line
+        // color.XYZ print inserts newline
+        fmt.Print( "$1: " )
+        color.Red( "red" )
+        fmt.Print( "$2: " )
+        color.Yellow( "yellow" )
+        fmt.Print( "$3: " )
+        color.Green( "green" )
+        fmt.Print( "$4: " )
+        color.Blue( "blue" )
+        fmt.Print( "$5: " )
+        color.Cyan( "cyan" )
+        fmt.Print( "$6: " )
+        color.Magenta( "magenta" )
+        fmt.Print( "$7: " )
+        color.Black( "black" )
+        fmt.Print( "$0: " )
+        color.White( "white (reset)" )
+        // print bold codes
+        fmt.Print( "\n#1: " )
+        // create bold color object, change out actual color and print
+        bold := color.New( color.Bold, color.FgRed )
+        bold.Println( "bold red" )
+        fmt.Print( "#2: " )
+        bold.Add( color.FgYellow )
+        bold.Println( "bold yellow" )
+        fmt.Print( "#3: " )
+        bold.Add( color.FgGreen )
+        bold.Println( "bold green" )
+        fmt.Print( "#4: " )
+        bold.Add( color.FgBlue )
+        bold.Println( "bold blue" )
+        fmt.Print( "#5: " )
+        bold.Add( color.FgCyan )
+        bold.Println( "bold Cyan" )
+        fmt.Print( "#6: " )
+        bold.Add( color.FgMagenta )
+        bold.Println( "bold magenta" )
+        fmt.Print( "#7: " )
+        bold.Add( color.FgBlack )
+        bold.Println( "bold black" )
+        fmt.Print( "#0: " )
+        bold.Add( color.FgWhite )
+        bold.Println( "bold white" )
+        return      // bail
+    }
+
     service := dest     // declare server ip:port
 
     // create address object