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@upg/cli

  __  ______  ____ _    UPG CLI
 / / / / __ \/ __ `/    Public Beta
/ /_/ / /_/ / /_/ /     
\__,_/ .___/\__, /      🇺🇸  Built by GPT Labs
    /_/    /____/       Now officially a CIA front company!
                        (c) 2022 All Rights Reserved

This is an initial public release. It will be ugly. Please send feedback to @ctjlewis on Twitter.

What is UPG?

UPG is a tool for creating and editing programs given a target (language) and a description.

You can put anything you want in those fields, but some targets are supported out of the box for execution (TypeScript using tsmodule, Python using python3, and OS-specific shell commands zsh, bash, and cmd). You can still execute non-supported targets by telling the CLI what command to run to execute the output file.

Installing

Using Yarn:

yarn global add @upg/cli

Using NPM:

npm i -g @upg/cli

Usage

Create

To create a new program, run upg. You will be prompted to enter a language and a description of what the program will do.

Edit

When you have a program loaded, either by creating a new one or using upg edit <file>, you can edit it by describing the changes that need to be made.

Example: Terminal

By default, the language is set to an OS-specific shell: zsh for Mac, bash for Linux, and cmd for Windows.

1. Converting files with ffmpeg

   This generates some ffmpeg spaghetti and converts a .mov file to .mp4.

   ✔ What language is this program written in? … zsh
   ✔ What will this program do? … convert demo.mov to demo.mp4 using ffmpeg
       
         1   #!/bin/zsh
         2   
         3   ffmpeg -i demo.mov -vcodec h264 -acodec aac -strict -2 demo.mp4
       
       
   ✔ What would you like to do? › Run
       
       ------------------------------
       Output
       ------------------------------
       
     
     $ zsh /var/folders/b0/rdq1ghc95sj4cm2qhvqmbrvh0000gn/T/0.eixwzktc9m.zsh
     
   ffmpeg version 5.1.2 Copyright (c) 2000-2022 the FFmpeg developers
     built with Apple clang version 14.0.0 (clang-1400.0.29.102)
     
   0kB time=00:00:02.01 bitrate=   0.2kbits/s dup=35 drop=0 frame=  216 fps= 70 q=31.0 size=       0kB time=00:00:02.61 bitrate=   0.1kbits/s dup=42 drop=0 frame=  252 fps= 70 q=31.0 size=       0kB 
   ...
   time=00:00:10.73 bitrate= 586.2kbits/s dup=138 drop=0frame=  719 fps= 65 q=-1.0 Lsize=     899kB time=00:00:11.93 bitrate= 617.4kbits/s dup=141 drop=0 speed=1.08x    
   video:890kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.041413%
   [libx264 @ 0x11d6050c0] frame I:3     Avg QP:17.90  size:169234
   ...
   [libx264 @ 0x11d6050c0] kb/s:608.02
       
       ------------------------------
       
       
       zsh exited with code 0.
       Execution time: 11374.89ms
   

Example: Other programs

1. Generate and demo the Y-combinator function

   This conversationally generates the Y-combinator function, adds a demo, and executes using TS Module (similar to ts-node, but won't throw on account of type errors).

   ✔ What language is this program written in? … ts
   ✔ What will this program do? … define Y combinator function Y(f)
     
       1   var Y = function(f) {
       2     return (function(x) {
       3       return f(function(y) { return x(x)(y); });
       4     })(function(x) {
       5       return f(function(y) { return x(x)(y); });
       6     });
       7   };
     
     
   ✔ What would you like to do? › Edit
   ✔ How should this program should be changed? … add: demo Y(f) with console.log
     
     Edited.
     
     
         var Y = function(f) {
           return (function(x) {
             return f(function(y) { return x(x)(y); });
           })(function(x) {
             return f(function(y) { return x(x)(y); });
           });
         
       -  };
       +  };
       +  
       +  var factorial = Y(function(f) {
       +    return function(n) {
       +      return n <= 2 ? n : n * f(n - 1);
       +    };
       +  });
       +  
       +  console.log(factorial(5));
     
     
   ✔ What would you like to do? › Run
     
     ------------------------------
     Output
     ------------------------------
     
   
   $ tsmodule /var/folders/b0/rdq1ghc95sj4cm2qhvqmbrvh0000gn/T/0.brxmlniy2ln.ts
   
   
   $ node --no-warnings --loader file:///Users/lewis/.config/yarn/global/node_modules/@tsmodule/tsmodule/dist/loader/index.js /var/folders/b0/rdq1ghc95sj4cm2qhvqmbrvh0000gn/T/0.brxmlniy2ln.ts
   
   120
     
     ------------------------------
     
     
     tsmodule exited with code 0.
     Execution time: 197.37ms
   

2. Convert programs between languages

   This converts the Y combinator program above to Python.

   ✔ What would you like to do? › Edit
   ✔ How should this program should be changed? … refactor: convert to Python
   
   Edited.
   
   
   -  ...
   +  def Y(f):
   +      return (lambda x: f(lambda y: x(x)(y)))(lambda x: f(lambda y: x(x)(y)))
   +       
      
   -  ...
   +  def factorial(f):
   +      return lambda n: n if n <= 2 else n * f(n - 1)
   +       
      
   -  ...
   +  print(Y(factorial)(5))
   

Known issues

1. It is not possible yet to switch the language context for a translation, i.e. the CLI cannot know the above example to Python, and if you select Run, it will attempt to execute it as TS.

   This will be solved in future versions, but for now, use Copy or Save to get it out of the CLI and execute it manually.

2. We know it is generally confusing to use. It will be made less dogshit over time.