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+# Minify [![Join the chat at https://gitter.im/tdewolff/minify](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/tdewolff/minify?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
+**[Download binaries](https://github.com/tdewolff/minify/releases) for Windows, Linux and macOS**
+
+Minify is a CLI implementation of the minify [library package](https://github.com/tdewolff/minify).
+
+## Installation
+Make sure you have [Go](http://golang.org/) and [Git](http://git-scm.com/) installed.
+
+Run the following command
+
+ go get github.com/tdewolff/minify/cmd/minify
+
+and the `minify` command will be in your `$GOPATH/bin`.
+
+## Usage
+
+ Usage: minify [options] [input]
+
+ Options:
+ -a, --all
+ Minify all files, including hidden files and files in hidden directories
+ -l, --list
+ List all accepted filetypes
+ --match string
+ Filename pattern matching using regular expressions, see https://github.com/google/re2/wiki/Syntax
+ --mime string
+ Mimetype (text/css, application/javascript, ...), optional for input filenames, has precedence over -type
+ -o, --output string
+ Output file or directory (must have trailing slash), leave blank to use stdout
+ -r, --recursive
+ Recursively minify directories
+ --type string
+ Filetype (css, html, js, ...), optional for input filenames
+ -u, --update
+ Update binary
+ --url string
+ URL of file to enable URL minification
+ -v, --verbose
+ Verbose
+ -w, --watch
+ Watch files and minify upon changes
+
+ --css-decimals
+ Number of decimals to preserve in numbers, -1 is all
+ --html-keep-conditional-comments
+ Preserve all IE conditional comments
+ --html-keep-default-attrvals
+ Preserve default attribute values
+ --html-keep-document-tags
+ Preserve html, head and body tags
+ --html-keep-end-tags
+ Preserve all end tags
+ --html-keep-whitespace
+ Preserve whitespace characters but still collapse multiple into one
+ --svg-decimals
+ Number of decimals to preserve in numbers, -1 is all
+ --xml-keep-whitespace
+ Preserve whitespace characters but still collapse multiple into one
+
+ Input:
+ Files or directories, leave blank to use stdin
+
+### Types
+
+ css text/css
+ htm text/html
+ html text/html
+ js text/javascript
+ json application/json
+ svg image/svg+xml
+ xml text/xml
+
+## Examples
+Minify **index.html** to **index-min.html**:
+```sh
+$ minify -o index-min.html index.html
+```
+
+Minify **index.html** to standard output (leave `-o` blank):
+```sh
+$ minify index.html
+```
+
+Normally the mimetype is inferred from the extension, to set the mimetype explicitly:
+```sh
+$ minify --type=html -o index-min.tpl index.tpl
+```
+
+You need to set the type or the mimetype option when using standard input:
+```sh
+$ minify --mime=text/javascript < script.js > script-min.js
+
+$ cat script.js | minify --type=js > script-min.js
+```
+
+### Directories
+You can also give directories as input, and these directories can be minified recursively.
+
+Minify files in the current working directory to **out/** (no subdirectories):
+```sh
+$ minify -o out/ .
+```
+
+Minify files recursively in **src/**:
+```sh
+$ minify -r -o out/ src
+```
+
+Minify only javascript files in **src/**:
+```sh
+$ minify -r -o out/ --match=\.js src
+```
+
+### Concatenate
+When multiple inputs are given and either standard output or a single output file, it will concatenate the files together.
+
+Concatenate **one.css** and **two.css** into **style.css**:
+```sh
+$ minify -o style.css one.css two.css
+```
+
+Concatenate all files in **styles/** into **style.css**:
+```sh
+$ minify -o style.css styles
+```
+
+You can also use `cat` as standard input to concatenate files and use gzip for example:
+```sh
+$ cat one.css two.css three.css | minify --type=css | gzip -9 -c > style.css.gz
+```
+
+### Watching
+To watch file changes and automatically re-minify you can use the `-w` or `--watch` option.
+
+Minify **style.css** to itself and watch changes:
+```sh
+$ minify -w -o style.css style.css
+```
+
+Minify and concatenate **one.css** and **two.css** to **style.css** and watch changes:
+```sh
+$ minify -w -o style.css one.css two.css
+```
+
+Minify files in **src/** and subdirectories to **out/** and watch changes:
+```sh
+$ minify -w -r -o out/ src
+```