The read_properties command now support **--prefix** flag

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ### v0.1.9
 
+* The read_properties command now support **--prefix** flag.
 * New array_concat command.
 * New trigger_error command.
 * New array_push command.

docs/sdk.md

@@ -988,15 +988,17 @@ range
 <a name="std__collections__ReadProperties"></a>
 ## std::collections::ReadProperties
 ```sh
-count = read_properties text
+count = read_properties [--prefix key] text
 ```
 
 Parses the properties (based on java properties format) text and sets them as variables.<br>
-This command will also return the count of properties read.
+This command will also return the count of properties read.<br>
+If prefix is provided, all properties read, will be stored as variables with the **prefix.** as their prefix.
 
 #### Parameters
 
-The text to parse.
+* Optional --prefix and the prefix value
+* The text to parse.
 
 #### Return Value
 
@@ -1011,6 +1013,13 @@ assert_eq ${count} 3
 assert_eq ${a} 1
 assert_eq ${b} 2
 assert_eq ${a.b.c} 3
+
+count = read_properties --prefix config a=1\nb=2\na.b.c=3
+assert_eq ${count} 3
+
+assert_eq ${config.a} 1
+assert_eq ${config.b} 2
+assert_eq ${config.a.b.c} 3
 ```
 
 

duckscript_sdk/src/sdk/std/collections/read_properties/help.md

@@ -1,13 +1,15 @@
 ```sh
-count = read_properties text
+count = read_properties [--prefix key] text
 ```
 
 Parses the properties (based on java properties format) text and sets them as variables.<br>
-This command will also return the count of properties read.
+This command will also return the count of properties read.<br>
+If prefix is provided, all properties read, will be stored as variables with the **prefix.** as their prefix.
 
 #### Parameters
 
-The text to parse.
+* Optional --prefix and the prefix value
+* The text to parse.
 
 #### Return Value
 
@@ -22,4 +24,11 @@ assert_eq ${count} 3
 assert_eq ${a} 1
 assert_eq ${b} 2
 assert_eq ${a.b.c} 3
+
+count = read_properties --prefix config a=1\nb=2\na.b.c=3
+assert_eq ${count} 3
+
+assert_eq ${config.a} 1
+assert_eq ${config.b} 2
+assert_eq ${config.a.b.c} 3
 ```

duckscript_sdk/src/sdk/std/collections/read_properties/mod.rs

@@ -48,10 +48,22 @@ impl Command for CommandImpl {
         if arguments.len() < 1 {
             CommandResult::Error("Missing properties text argument.".to_string())
         } else {
-            match read(arguments[0].as_bytes()) {
+            let (prefix, text) = if arguments.len() >= 3 && arguments[0] == "--prefix" {
+                (arguments[1].to_string(), arguments[2].to_string())
+            } else {
+                ("".to_string(), arguments[0].to_string())
+            };
+
+            match read(text.as_bytes()) {
                 Ok(data) => {
                     for (key, value) in &data {
-                        variables.insert(key.to_string(), value.to_string());
+                        let mut var_key = key.to_string();
+                        if !prefix.is_empty() {
+                            var_key.insert(0, '.');
+                            var_key.insert_str(0, &prefix);
+                        }
+
+                        variables.insert(var_key, value.to_string());
                     }
 
                     CommandResult::Continue(Some(data.len().to_string()))

duckscript_sdk/src/sdk/std/collections/read_properties/mod_test.rs

@@ -26,3 +26,18 @@ fn run_valid() {
     assert_eq!(context.variables.get("a").unwrap(), "1");
     assert_eq!(context.variables.get("b").unwrap(), "2");
 }
+
+#[test]
+fn run_with_prefix() {
+    let context = test::run_script_and_validate(
+        vec![create(""), Box::new(SetCommand {})],
+        r#"
+        props = test_set "a=1\nb=2"
+        out = read_properties --prefix config ${props}
+        "#,
+        CommandValidation::Match("out".to_string(), "2".to_string()),
+    );
+
+    assert_eq!(context.variables.get("config.a").unwrap(), "1");
+    assert_eq!(context.variables.get("config.b").unwrap(), "2");
+}

test/std/collections/read_properties_test.ds

@@ -7,3 +7,12 @@ function test_read_properties
     assert_eq ${b} 2
     assert_eq ${a.b.c} 3
 end
+
+function test_read_properties_with_prefix
+    count = read_properties --prefix config a=1\nb=2\na.b.c=3
+    assert_eq ${count} 3
+    
+    assert_eq ${config.a} 1
+    assert_eq ${config.b} 2
+    assert_eq ${config.a.b.c} 3
+end