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README.md

Minify

Minify is a CLI implemention of the minify library package.

Installation

Make sure you have Go and Git installed.

Run the following command

go get github.com/tdewolff/minify/cmd/minify

and the minify command will be in your $GOPATH/bin.

Usage

Usage: minify [options] [inputs]

Options:
  -a, --all=false: Minify all files, including hidden files and files in hidden directories
  -l, --list=false: List all accepted filetypes
	  --match="": Filename pattern matching using regular expressions, see https://github.com/google/re2/wiki/Syntax
	  --mime="": Mimetype (text/css, text/javascript, ...), optional for input filenames, has precendence over -type
  -o, --output="": Output (concatenated) file (stdout when empty) or directory
  -r, --recursive=false: Recursively minify directories
	  --type="": Filetype (css, html, js, ...), optional for input filenames
  -v, --verbose=false: Verbose

  --url="": URL of the file to enable URL minification
  --html-keep-default-attrvals=false: Preserve default attribute values
  --html-keep-whitespace=false: Preserve whitespace characters but still collapse multiple whitespace into one

Input:
  Files or directories, optional when using piping

Types

css     text/css
htm     text/html
html    text/html
js      text/javascript
json    application/json
svg     image/svg+xml
xml     text/xml

Examples

The following commands are variations one can use to minify files:

$ minify file.html # file.html → file.min.html

$ minify --type=css -o file_minified.ext file.ext # file.ext → file_minified.ext

$ minify --mime=text/javascript < file.js > file.min.js

$ cat file.html | minify --type=html > file.min.html

It is also possible to overwrite the input file by the output file. Overwriting existing files needs to happen forcefully. However, overwriting won't work with input/output redirection streams. Using the following command the input file will be loaded into memory first before writing to the output file:

$ minify file.html

You can also give directories as input, and these directories can be minified recursively:

$ minify . # minify files in current working directory (no subdirectories)

$ minify -r dir # minify files in dir recursively

$ minify -r --match=\.js dir # minify only javascript files in dir