---
name: "sass"
section: "1"
platform: "linux"
package: "ruby-sass"
version: "3.7.4-6"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/sass"
---

# sass(1)

Sass compiles CSS from SASS files

## NAME

Ruby - Sass compiles CSS from SASS files

## SYNOPSIS

**sass** \[*options*\] \[*INPUT*\] \[*OUTPUT*\]

## DESCRIPTION

### Description:

-

  Converts SCSS or Sass files to CSS.

### Common Options:

- **-I**, **--load-path** PATH

  Specify a Sass import path.

- **-r**, **--require** LIB

  Require a Ruby library before running Sass.

- **--compass**

  Make Compass imports available and load project configuration.

- **-t**, **--style** NAME

  Output style. Can be nested (default), compact, compressed, or expanded.

- \-?, **-h**, **--help**

  Show this help message.

- **-v**, **--version**

  Print the Sass version.

### Watching and Updating:

- **--watch**

  Watch files or directories for changes. The location of the generated CSS can be set using a colon:

- sass **--watch** input.sass:output.css

  sass **--watch** input-dir:output-dir

- **--poll**

  Check for file changes manually, rather than relying on the OS. Only meaningful for **--watch**.

- **--update**

  Compile files or directories to CSS. Locations are set like **--watch**.

- **-f**, **--force**

  Recompile every Sass file, even if the CSS file is newer. Only meaningful for **--update**.

- **--stop-on-error**

  If a file fails to compile, exit immediately. Only meaningful for **--watch** and **--update**.

### Input and Output:

- **--scss**

  Use the CSS-superset SCSS syntax.

- **--sourcemap**=*TYPE*

  How to link generated output to the source files. auto (default): relative paths where possible, file URIs elsewhere file: always absolute file URIs inline: include the source text in the sourcemap none: no sourcemaps

- **-s**, **--stdin**

  Read input from standard input instead of an input file. This is the default if no input file is specified.

- **-E**, **--default-encoding** ENCODING

  Specify the default encoding for input files.

- **--unix-newlines**

  Use Unix-style newlines in written files. Always true on Unix.

- **-g**, **--debug-info**

  Emit output that can be used by the FireSass Firebug plugin.

- **-l**, **--line-numbers**

  Emit comments in the generated CSS indicating the corresponding source line.

**--line-comments**

### Miscellaneous:

- **-i**, **--interactive**

  Run an interactive SassScript shell.

- **-c**, **--check**

  Just check syntax, don't evaluate.

- **--precision** NUMBER\_OF\_DIGITS How many digits of precision to use when outputting decimal numbers.

  Defaults to 10.

- **--cache-location** PATH

  The path to save parsed Sass files. Defaults to .sass-cache.

- **-C**, **--no-cache**

  Don't cache parsed Sass files.

- **--trace**

  Show a full Ruby stack trace on error.

- **-q**, **--quiet**

  Silence warnings and status messages during compilation.