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js: Add a command line argument to evaluate a string as a script

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For example:

    $ js -c "console.log(42)"
    42
This commit is contained in:
Timothy Flynn 2022-02-09 07:53:49 -05:00 • committed by Linus Groh
parent 65de0d2910
commit 19d4f52a9e
2 changed files with 32 additions and 13 deletions
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12
Base/usr/share/man/man1/js.md
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@ -28,18 +28,26 @@ Run `help()` in REPL mode to see its available built-in functions.
* `-m`, `--as-module`: Treat as module
* `-l`, `--print-last-result`: Print the result of the last statement executed.
* `-g`, `--gc-on-every-allocation`: Run garbage collection on every allocation.
* `-c`, `--disable-ansi-colors`: Disable ANSI colors
* `-i`, `--disable-ansi-colors`: Disable ANSI colors
* `-h`, `--disable-source-location-hints`: Disable source location hints
* `-s`, `--no-syntax-highlight`: Disable live syntax highlighting in the REPL
* `-c`, `--evaluate`: Evaluate the argument as a script
## Examples
Here's how you execute a script:
Here's how you execute a script from a file:
```sh
$ js ~/Source/js/type-play.js
```
Here's how you execute a script as a command line argument:
```sh
$ js -c "console.log(42)"
42
```
And here's an example of an interactive REPL session:
```js