https://github.com/sebastienros/pipejs

Command Line JavaScript interpreter
https://github.com/sebastienros/pipejs

Last synced: 3 months ago
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Command Line JavaScript interpreter

• Host: GitHub
• URL: https://github.com/sebastienros/pipejs
• Owner: sebastienros
• License: mit
• Created: 2015-05-26T04:11:19.000Z (over 9 years ago)
• Default Branch: main
• Last Pushed: 2024-02-27T19:59:02.000Z (11 months ago)
• Last Synced: 2024-05-01T20:25:48.758Z (9 months ago)
• Language: C#
• Size: 11.7 KB
• Stars: 8
• Watchers: 2
• Forks: 3
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# PipeJs

PipeJs is a JavaScript Command Line Interpreter for .NET. It means you can execute custom JavaScript from the command line, by passing JavaScript statements and script files as arguments. 

## Quick Start

PipeJs is used by calling `pipejs.exe` from the command line. Here are some typical ways to use it:

### Returning a JavaScript primitive value

Any returned primitive value is displayed using `.toString()` on it. 

```

pipejs return Math.PI * 2

```

`6.28318530717959`

### Returning a JavaScript complex object

Complex objects are serialized into JSON.

```

pipejs var o = {}; o.Color = 'Red'; return o;

```

`{"Color":"Red"}`

### Piping arguments to a script

Any value can be passed to `pipejs` as the `this` argument.

```

echo { "foo" : "bar" } | pipejs return this.foo;

```

`bar`

### Outputing custom text to the console

The `console` object is available.

```

echo 9 | pipejs "if(this > 5) console.log(this); else console.warning(this);"

```

### Using an external script file

PipeJs can execute a script from a specific file.

```

pipejs @myScript.js

```

### Piping outputs to inputs

The output of a pipejs script can be used as the input of another one.

```

echo 9 | pipejs return this * 2 | pipejs return this - 10

```

`8`