literate-programming-cli

2019-06-13 admin

literate-programming-cli是什么

什么是literate-programming-cli,Basic command line for literate-programming

literate-programming-cli使用教程帮助文档

literate-programming-cli

This is the command line client module for literate-programming. The intent of this one is to build the command line clients using this module as a baseline.

To use the thin client, see litpro For a more full client geared to web development, please see literate-programming

Install using npm install literate-programming-cli

Usage is ./node_modules/bin/litpro file and it has some command flags.

Flags

The various flags are

  • -b, --build The build directory. Defaults to build. Will create it if it does not exist. Specifying . will use the current directory.
  • –checksum This gives an alternate name for the file that lists the hash for the generate files. If the compiled text matches, then it is not written. Default is .checksum stored in the build directory.
  • -d, --diff This computes the difference between each files from their existing versions. There is no saving of files.
  • -e, --encoding Specify the default encoding. It defaults to utf8, but any encoding supported by node works. To have more encodings, use the plugin litpro-iconv-lite To override the command lined behavior per loaded file from a document, one can put the encoding between the colon and pipe in the directive title. This applies to both reading and writing.
  • –file A specified file to process. It is possible to have multiple files, each proceeded by an option. Also any unclaimed arguments will be assumed to be a file that gets added to the list.
  • -f, --flag This passes in flags that can be used for conditional branching within the literate programming. For example, one could have a production flag that minimizes the code before saving.
  • -i, --in This takes in standard input as another litpro doc to read from.
  • -l, --lprc This specifies the lprc.js file to use. None need not be provided. The lprc file should export a function that takes in as arguments the Folder constructor and an args object (what is processed from the command line). This allows for quite a bit of sculpting. See more in lprc.
  • -o, --out This directs all saved files to standard out; no saving of compiled texts will happen. Other saving of files could happen; this just prevents those files being saved by the save directive from being saved.
  • -s, --src The source directory to look for files from load directives. The files specified on the command line are used as is while those loaded from those files are prefixed. Shell tab completion is a reason for this difference.
  • -z, --other This is a place that takes in an array of options for plugins. Since plugins are loaded after initial parsing, this allows one to sneak in options. The format is key:value. So -z cache:cool would set the value cache to cool.
  • –scopes This shows at the end of the run all the variables and values that the document thinks is there. Might be useful for debugging purposes.

New Commands

  • exec cmd1, cmd2, ... This executes the commands on the commandline. The standard input is the incoming input and the standard output is what is passed along.
  • execfresh Same as exec but no caching
  • readfile name Reads in file with filename. Starts at source directory. This terminates old input and replaces with file contents.
  • readdir name Generates a list of files in named directory. This generates an augmented array.
  • savefile name, encoding Saves the input into the named file using the encoding if specified.

New Directives

  • [name](# "exec:command line command") Executes command line as a directive. Not sure on usefulness.
  • [var name](url "readfile:encoding|commands") Reads a file, pipes it in, stores it in var name.
  • Save. Not new, but works to actually save the file on disk.

LICENSE

MIT-LICENSE

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