bump version

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release.yaml

@@ -0,0 +1,32 @@
+name: build-and-test
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  release:
+    name: Build Release Assets
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.22.11
+
+      - name: Build the executables
+        run: ./mkrel.sh rpnc ${{ github.ref_name}}
+
+      - name: List the executables
+        run: ls -l ./releases
+
+      - name: Upload the binaries
+        uses: svenstaro/upload-release-action@v2
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          tag: ${{ github.ref_name }}
+          file: ./releases/*
+          file_glob: true

Makefile

@@ -81,8 +81,8 @@ goupdate:
 buildall:
 	./mkrel.sh $(tool) $(VERSION)
 
-release: buildall
+release:
-	gh release create v$(VERSION) --generate-notes releases/*
+	gh release create v$(VERSION) --generate-notes
 
 show-versions: buildlocal
 	@echo "### rpn version:"

calc.go

@@ -272,9 +272,18 @@ func (c *Calc) EvalItem(item string) error {
 		return nil
 	}
 
+	// try time
+	var hour, min int
+	_, err = fmt.Sscanf(item, "%d:%d", &hour, &min)
+	if err == nil {
+		c.stack.Backup()
+		c.stack.Push(float64(hour) + float64(min)/60)
+
+		return nil
+	}
+
 	// try hex
 	var i int
-
 	_, err = fmt.Sscanf(item, "0x%x", &i)
 	if err == nil {
 		c.stack.Backup()
@@ -361,9 +370,7 @@ func (c *Calc) EvalItem(item string) error {
 	}
 
 	switch item {
-	case "?":
+	case "?", "help":
-		fallthrough
-	case "help":
 		c.PrintHelp()
 
 	default:

calc_test.go

@@ -381,7 +381,7 @@ func FuzzEval(f *testing.F) {
 
 	calc := NewCalc()
 
-	var hexnum int
+	var hexnum, hour, min int
 
 	f.Fuzz(func(t *testing.T, line string) {
 		t.Logf("Stack:\n%v\n", calc.stack.All())
@@ -391,6 +391,7 @@ func FuzzEval(f *testing.F) {
 			if !contains(legal, line) && len(line) > 0 {
 				item := strings.TrimSpace(calc.Comment.ReplaceAllString(line, ""))
 				_, hexerr := fmt.Sscanf(item, "0x%x", &hexnum)
+				_, timeerr := fmt.Sscanf(item, "%d:%d", &hour, &min)
 				// no comment?
 				if len(item) > 0 {
 					// no known command or function?
@@ -405,7 +406,8 @@ func FuzzEval(f *testing.F) {
 							!exists(calc.StackCommands, item) &&
 							!calc.Register.MatchString(item) &&
 							item != "?" && item != "help" &&
-							hexerr != nil {
+							hexerr != nil &&
+							timeerr != nil {
 							t.Errorf("Fuzzy input accepted: <%s>", line)
 						}
 					}

go.mod

@@ -5,7 +5,7 @@ go 1.22
 require (
 	github.com/chzyer/readline v1.5.1
 	github.com/rogpeppe/go-internal v1.13.1
-	github.com/spf13/pflag v1.0.5
+	github.com/spf13/pflag v1.0.6
 	github.com/yuin/gopher-lua v1.1.1
 )
 

go.sum

@@ -6,8 +6,8 @@ github.com/chzyer/test v1.0.0 h1:p3BQDXSxOhOG0P9z6/hGnII4LGiEPOYBhs8asl/fC04=
 github.com/chzyer/test v1.0.0/go.mod h1:2JlltgoNkt4TW/z9V/IzDdFaMTM2JPIi26O1pF38GC8=
 github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
 github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
-github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
-github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/yuin/gopher-lua v1.1.1 h1:kYKnWBjvbNP4XLT3+bPEwAXJx262OhaHDWDVOPjL46M=
 github.com/yuin/gopher-lua v1.1.1/go.mod h1:GBR0iDaNXjAgGg9zfCvksxSRnQx76gclCIb7kdAd1Pw=
 golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

interpreter.go

@@ -116,9 +116,7 @@ func (i *Interpreter) CallLuaFunc(funcname string, items []float64) (float64, er
 		funcname, LuaFuncs[funcname].numargs))
 
 	switch LuaFuncs[funcname].numargs {
-	case 0:
+	case 0, 1:
-		fallthrough
-	case 1:
 		// 1 arg variant
 		if err := LuaInterpreter.CallByParam(lua.P{
 			Fn:      LuaInterpreter.GetGlobal(funcname),

main.go

@@ -30,7 +30,7 @@ import (
 	lua "github.com/yuin/gopher-lua"
 )
 
-const VERSION string = "2.1.2"
+const VERSION string = "2.1.4"
 
 const Usage string = `This is rpn, a reverse polish notation calculator cli.
 
@@ -50,7 +50,7 @@ Options:
 When <operator>  is given, batch  mode ist automatically  enabled. Use
 this only when working with stdin. E.g.: echo "2 3 4 5" | rpn +
 
-Copyright (c) 2023-2024 T.v.Dein`
+Copyright (c) 2023-2025 T.v.Dein`
 
 func main() {
 	os.Exit(Main())

rpn.go

@@ -108,7 +108,8 @@ DESCRIPTION
     is enabled automatically, see last example.
 
     You can enter integers, floating point numbers (positive or negative) or
-    hex numbers (prefixed with 0x).
+    hex numbers (prefixed with 0x). Time values in hh::mm format are
+    possible as well.
 
   STACK MANIPULATION
     There are lots of stack manipulation commands provided. The most

rpn.pod

@@ -112,7 +112,8 @@ If the first parameter to rpn is a math operator or function, batch
 mode is enabled automatically, see last example.
 
 You can enter integers, floating  point numbers (positive or negative)
-or hex numbers (prefixed with 0x).
+or hex  numbers (prefixed with 0x).  Time values in hh::mm  format are
+possible as well.
 
 =head2 STACK MANIPULATION
 

t/cmdlinecalc-time.txtar

@@ -0,0 +1,2 @@
+exec testrpn 09:55 4:15 -
+stdout '5.67\n'