From ec4d86f7276e6a8b051932a5dc984ebd6c4915f0 Mon Sep 17 00:00:00 2001
From: Thomas von Dein <tom@vondein.org>
Date: Tue, 5 Dec 2023 20:01:32 +0100
Subject: [PATCH] added a couple of shortcuts

---
 calc.go    | 16 ++++++++++++----
 command.go | 13 +++++++++++--
 rpn.go     | 11 +++++++++++
 rpn.pod    | 11 +++++++++++
 4 files changed, 45 insertions(+), 6 deletions(-)

diff --git a/calc.go b/calc.go
index 398a3ab..d817844 100644
--- a/calc.go
+++ b/calc.go
@@ -121,19 +121,27 @@ func (c *Calc) GetCompleteCustomFuncalls() func(string) []string {
 		}
 
 		for command := range c.SettingsCommands {
-			completions = append(completions, command)
+			if len(command) > 1 {
+				completions = append(completions, command)
+			}
 		}
 
 		for command := range c.ShowCommands {
-			completions = append(completions, command)
+			if len(command) > 1 {
+				completions = append(completions, command)
+			}
 		}
 
 		for command := range c.StackCommands {
-			completions = append(completions, command)
+			if len(command) > 1 {
+				completions = append(completions, command)
+			}
 		}
 
 		for command := range c.Commands {
-			completions = append(completions, command)
+			if len(command) > 1 {
+				completions = append(completions, command)
+			}
 		}
 
 		return completions
diff --git a/command.go b/command.go
index 0a43fdb..c460200 100644
--- a/command.go
+++ b/command.go
@@ -305,6 +305,15 @@ func (c *Calc) SetCommands() {
 
 	// aliases
 	c.Commands["quit"] = c.Commands["exit"]
-	c.SettingsCommands["undebug"] = c.SettingsCommands["nodebug"]
-	c.SettingsCommands["show"] = c.SettingsCommands["showstack"]
+
+	c.SettingsCommands["d"] = c.SettingsCommands["debug"]
+	c.SettingsCommands["b"] = c.SettingsCommands["batch"]
+	c.SettingsCommands["s"] = c.SettingsCommands["showstack"]
+
+	c.ShowCommands["h"] = c.ShowCommands["history"]
+	c.ShowCommands["p"] = c.ShowCommands["dump"]
+	c.ShowCommands["v"] = c.ShowCommands["vars"]
+
+	c.StackCommands["c"] = c.StackCommands["clear"]
+	c.StackCommands["u"] = c.StackCommands["undo"]
 }
diff --git a/rpn.go b/rpn.go
index 89bebf6..b5df4b1 100644
--- a/rpn.go
+++ b/rpn.go
@@ -198,6 +198,17 @@ DESCRIPTION
 
     Refer to https://pkg.go.dev/math for details about those functions.
 
+    There are also a number of shortcuts for some commands available:
+
+        d    debug
+        b    batch
+        s    showstack
+        h    history
+        p    dump (aka print)
+        v    vars
+        c    clear
+        u    undo
+
 INTERACTIVE REPL
     While you can use rpn in the command-line, the best experience you'll
     have is the interactive repl (read eval print loop). Just execute "rpn"
diff --git a/rpn.pod b/rpn.pod
index 529a107..5a7359a 100644
--- a/rpn.pod
+++ b/rpn.pod
@@ -213,6 +213,17 @@ Register variables:
 
 Refer to https://pkg.go.dev/math for details about those functions.
 
+There are also a number of shortcuts for some commands available:
+
+    d    debug
+    b    batch
+    s    showstack
+    h    history
+    p    dump (aka print)
+    v    vars
+    c    clear
+    u    undo
+
 =head1 INTERACTIVE REPL
 
 While you can use rpn in the command-line, the best experience you'll