long time no see

- Switched to FgBlue for headline color
- Skip default value if it is empty
- Added go.mod
- Added gitignore

.gitignore

@@ -0,0 +1 @@
+.idea

go.mod

@@ -0,0 +1,11 @@
+module github.com/paul-at-start/simple-help
+
+go 1.17
+
+require github.com/fatih/color v1.13.0
+
+require (
+	github.com/mattn/go-colorable v0.1.9 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
+)

go.sum

@@ -0,0 +1,11 @@
+github.com/fatih/color v1.13.0 h1:8LOYc1KYPPmyKMuN8QV2DNRWNbLo6LZ0iLs8+mlH53w=
+github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
+github.com/mattn/go-colorable v0.1.9 h1:sqDoxXbdeALODt0DAeJCVp38ps9ZogZEAXjus69YV3U=
+github.com/mattn/go-colorable v0.1.9/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
+github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c h1:F1jZWGFhYfh0Ci55sIpILtKKK8p3i2/krTr0H1rg74I=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

simplehelp.go

@@ -29,7 +29,7 @@ func (h *SimpleHelp) Help() {
 
 	h.helpFormatString = h.makeHelpFormatStr()
 
-	grebo := color.New(color.FgGreen, color.Bold)
+	grebo := color.New(color.FgBlue, color.Bold)
 	printSection(h.ProgramTitle, h.ProgramDescription, grebo)
 
 	for _, section := range h.helpSections {
@@ -39,7 +39,11 @@ func (h *SimpleHelp) Help() {
 	grebo.Print("\nFlags:\n")
 	// print usage for all flags
 	flag.CommandLine.VisitAll(func(fl *flag.Flag) {
-		fmt.Printf("  --%s%s (Default: %s)\n", h.flagIndentation(fl.Name), fl.Usage, fl.DefValue)
+		var defaultString string
+		if fl.DefValue != "" {
+			defaultString = fmt.Sprintf("(Default: %s)", fl.DefValue)
+		}
+		fmt.Printf("  --%s%s %s\n", h.flagIndentation(fl.Name), fl.Usage, defaultString)
 	})
 
 	fmt.Print("\n")