From 6e1af5ba2825a1528b67167e3d145d85a9396e05 Mon Sep 17 00:00:00 2001
From: lew <lew@ily.rs>
Date: Wed, 11 Feb 2026 17:36:49 +0000
Subject: [PATCH] feat(get): adds --exists flag for checking existence of a key

---
 README.md              |  3 +++
 cmd/get.go             | 10 ++++++++++
 testdata/get-exists.ct |  3 +++
 testdata/help-get.ct   |  2 ++
 4 files changed, 18 insertions(+)
 create mode 100644 testdata/get-exists.ct

diff --git a/README.md b/README.md
index 6a2df64..1a1ed3e 100644
--- a/README.md
+++ b/README.md
@@ -151,6 +151,9 @@ pda get name
 # Or run it directly.
 pda run name
 # same as: pda get name --run
+
+# Check if a key exists (exit 0 if found, exit 1 if not).
+pda get name --exists
 ```
 
 <p align="center"></p><!-- spacer -->
diff --git a/cmd/get.go b/cmd/get.go
index 54c3b7c..116404f 100644
--- a/cmd/get.go
+++ b/cmd/get.go
@@ -87,6 +87,15 @@ func get(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("cannot get '%s': %v", args[0], err)
 	}
 	idx := findEntry(entries, spec.Key)
+
+	existsOnly, _ := cmd.Flags().GetBool("exists")
+	if existsOnly {
+		if idx < 0 {
+			os.Exit(1)
+		}
+		return nil
+	}
+
 	if idx < 0 {
 		keys := make([]string, len(entries))
 		for i, e := range entries {
@@ -238,6 +247,7 @@ func init() {
 	getCmd.Flags().BoolP("base64", "b", false, "view binary data as base64")
 	getCmd.Flags().BoolVarP(&runFlag, "run", "c", false, "execute the result as a shell command")
 	getCmd.Flags().Bool("no-template", false, "directly output template syntax")
+	getCmd.Flags().Bool("exists", false, "exit 0 if the key exists, exit 1 if not (no output)")
 	rootCmd.AddCommand(getCmd)
 
 	runCmd.Flags().BoolP("base64", "b", false, "view binary data as base64")
diff --git a/testdata/get-exists.ct b/testdata/get-exists.ct
new file mode 100644
index 0000000..a975b42
--- /dev/null
+++ b/testdata/get-exists.ct
@@ -0,0 +1,3 @@
+$ pda set found@ge "hello"
+$ pda get found@ge --exists
+$ pda get missing@ge --exists --> FAIL
diff --git a/testdata/help-get.ct b/testdata/help-get.ct
index c429da8..3fa513d 100644
--- a/testdata/help-get.ct
+++ b/testdata/help-get.ct
@@ -17,6 +17,7 @@ Aliases:
 
 Flags:
   -b, --base64        view binary data as base64
+      --exists        exit 0 if the key exists, exit 1 if not (no output)
   -h, --help          help for get
       --no-template   directly output template syntax
   -c, --run           execute the result as a shell command
@@ -37,6 +38,7 @@ Aliases:
 
 Flags:
   -b, --base64        view binary data as base64
+      --exists        exit 0 if the key exists, exit 1 if not (no output)
   -h, --help          help for get
       --no-template   directly output template syntax
   -c, --run           execute the result as a shell command