more tests and docs

docs/sdk.md

@@ -2539,6 +2539,17 @@ true if successful
 
 ```sh
 set_env HOME /usr/me
+
+handle = map
+map_put ${handle} mapkey1 mapvalue1
+map_put ${handle} mapkey2 mapvalue2
+set_env --handle ${handle}
+
+# load env file
+text = readfile ./test.env
+handle = map
+map_load_properties ${handle} ${text}
+set_env --handle ${handle}
 ```
 
 

duckscript_sdk/src/sdk/std/env/set_env/help.md

@@ -23,4 +23,15 @@ true if successful
 
 ```sh
 set_env HOME /usr/me
+
+handle = map
+map_put ${handle} mapkey1 mapvalue1
+map_put ${handle} mapkey2 mapvalue2
+set_env --handle ${handle}
+
+# load env file
+text = readfile ./test.env
+handle = map
+map_load_properties ${handle} ${text}
+set_env --handle ${handle}
 ```

test/std/env/vars_test.ds

@@ -22,3 +22,22 @@ fn test_set_get_unset
 
     release ${handle}
 end
+
+fn test_set_all_from_file
+    writefile ./target/_duckscript_test/vars_test/test.env envfile1=value1\nenvfile2=value2
+
+    text = readfile ./target/_duckscript_test/vars_test/test.env
+    handle = map
+    result = map_load_properties ${handle} ${text}
+    assert_eq ${result} true
+
+    value = set_env --handle ${handle}
+    assert ${value}
+    value = get_env envfile1
+    assert_eq ${value} value1
+    value = get_env envfile2
+    assert_eq ${value} value2
+
+    release ${handle}
+end
+