added the -w flag

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "jsu"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

README.md

@@ -77,7 +77,27 @@ Outputs:
 ]
 ```
 
-Note: Extract looks for {} or [] sequences. For an array [] it must have an element that is a json object.
+Note: Extract looks for {} or [] sequences. For an array [] it must have an element that is a json object. Also note the output is not standard json. use the -w to wrap in a top level property.
 
 
+## To wrap the json in a new top level property
+'''echo 'some text {"a":1} more "text" [1,2,3] text [1,{"b":2}] text ' | jsu -x -w extracted```
+
+Outputs:
+```
+{
+ "extracted": [
+ {
+ "a": 1
+ },
+ [
+ 1,
+ {
+ "b": 2
+ }
+ ]
+ ]
+}
+```
+
 

src/main.rs

@@ -105,7 +105,7 @@ fn write_output(output_file : Option<&String>, data: &str) -> Result<(), Box<dyn
 
 fn run_cmd_line() -> Result<(), Box<dyn Error>> {
  let matches = App::new("jsu")
- .version("0.2.0")
+ .version("0.3.0")
  .author("Walter Szewelanczyk")
  .about("Json Utils")
  .arg(Arg::new("input_file")
@@ -136,13 +136,19 @@ fn run_cmd_line() -> Result<(), Box<dyn Error>> {
  .takes_value(false)
  .action(clap::ArgAction::SetTrue)
  .help("Scan the text looking for any embeded JSON objects and return them. Will return an array."))
+ .arg(Arg::new("wrap")
+ .short('w')
+ .long("wrap")
+ .help("Wrap the json with a new top level property.")
+ .takes_value(true))
  .get_matches();
 
  let input_file = matches.get_one::<String>("input_file");
  let output_file = matches.get_one::<String>("output");
  let compact = *matches.get_one::<bool>("compact").unwrap();
  let expand = *matches.get_one::<bool>("expand").unwrap();
  let extract = *matches.get_one::<bool>("extract").unwrap();
+ let wrap = matches.get_one::<String>("wrap");
 
  let input = get_input(input_file)?;
  let mut json = if extract { 
@@ -153,6 +159,9 @@ fn run_cmd_line() -> Result<(), Box<dyn Error>> {
  if expand {
  json = expand_json_value(json);
  }
+ if let Some(prop_name) = wrap {
+ json = serde_json::json!({prop_name : json});
+ }
  let output = if compact{
  serde_json::to_string(&json).map_err(|e| format!("Error converting JSON to a compact string : {e}"))?
  }else{