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https://github.com/mklement0/fileicon
macOS CLI for managing custom icons for files and folders
https://github.com/mklement0/fileicon
cli custom-icon filesystem icons macos
Last synced: about 1 month ago
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macOS CLI for managing custom icons for files and folders
- Host: GitHub
- URL: https://github.com/mklement0/fileicon
- Owner: mklement0
- Created: 2015-08-03T20:19:01.000Z (about 9 years ago)
- Default Branch: master
- Last Pushed: 2023-07-24T14:01:57.000Z (about 1 year ago)
- Last Synced: 2024-07-19T01:22:16.097Z (about 2 months ago)
- Topics: cli, custom-icon, filesystem, icons, macos
- Language: Shell
- Homepage:
- Size: 1.34 MB
- Stars: 412
- Watchers: 13
- Forks: 20
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE.md
Awesome Lists containing this project
README
[![npm version](https://img.shields.io/npm/v/fileicon.svg)](https://npmjs.com/package/fileicon) [![license](https://img.shields.io/npm/l/fileicon.svg)](https://github.com/mklement0/fileicon/blob/master/LICENSE.md)
**Contents**
- [fileicon — introduction](#fileicon-mdash-introduction)
- [Examples](#examples)
- [Installation](#installation)
- [Installation via Homebrew](#installation-via-homebrew)
- [Installation from the npm registry](#installation-from-the-npm-registry)
- [Manual installation](#manual-installation)
- [Usage](#usage)
- [License](#license)
- [Acknowledgements](#acknowledgements)
- [npm dependencies](#npm-dependencies)
- [Changelog](#changelog)# fileicon — introduction
`fileicon` is a macOS CLI for managing custom icons for files and folders, as
a programmatic alternative to interactively using Finder.`fileicon` allows assigning a custom icon to any file or folder,
using [any image file whose format is recognized by the system](https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/CocoaDrawingGuide/Images/Images.html#//apple_ref/doc/uid/TP40003290-CH208-BCIIFBJG)._Caveats_:
* Custom icons rely on [extended attributes](https://en.wikipedia.org/wiki/Extended_file_attributes#OS_X) of the macOS filesystems,
[HFS+](https://en.wikipedia.org/wiki/HFS_Plus) and [APFS](https://en.wikipedia.org/wiki/Apple_File_System).
Therefore, custom icons are lost when copying files or folders to filesystems that don't
support these attributes; for instance, custom icons cannot be stored in a Git repository.* v0.3.2+ supports custom icons for _volumes_ (folders that act as volume mountpoints) _in principle_, but, as of macOS 13.1 (Ventura), this often fails in practice, for reasons unknown to me; see [this Ask Different question](https://apple.stackexchange.com/q/451965/28668), for instance.
When assigning an image file with `fileicon set`, a set of icons in several
resolutions is created and stored in the resource fork of the target file itself
/ of a hidden `Icon\r` file inside the target folder / as the content of a hidden `.VolumeIcon.icns` file for folders that are _volume mountpoints_. Addtionally, a `com.apple.FinderInfo` extended attribute with the custom-icon attribute (flag) is set on the target file or folder itself.The icon with the highest resolution measures 512 x 512 pixels, and the input
image is scaled accordingly.
Note that input images that aren't square can result in distorted icons;
for best results, provide square images.If you supply an input path to a _symlink_, it is invariably its
_target_ that is used for the operation; symlinks themselves cannot have
icons associated with them.See also: [Icon Changer](https://github.com/chris1111/Icon-Changer), a GUI utility that uses `fileicon` behind the scenes.
# Examples
```sh
# Assign custom icon derived from image file 'img.png' to file 'foo':
fileicon set foo img.png# Remove previously assigned custom icon from folder 'foodir':
fileicon rm foodir# Extract custom icon from file 'foo' to icon file 'foo.icns':
fileicon get foo# Test if folder 'foodir' has custom icon:
fileicon test foodir
```# Installation
**Supported platforms:**
* **macOS**
**Important**:
* If you're running macOS 12 (Monterey) or higher, be sure to install at least version 0.3.1 of this utility,
as it no longer relies on Python (which no longer ships with macOS).
* Unfortunately, a bug beyond `fileicon`'s control causes the `get` sub-command (for extracting an existing icon) to be excessively slow on macOS 12 (Monterey); this has been fixed in macOS 13 (Ventura).## Installation via Homebrew
With [Homebrew](https://brew.sh/) installed, run the following:
```sh
brew install fileicon
```Tip of the hat to [@danielbayley](https://github.com/danielbayley) for creating and submitting the formula.
## Installation from the npm registry
With [Node.js](http://nodejs.org/) installed, install [the package](https://www.npmjs.com/package/fileicon) as follows:
```sh
[sudo] npm install fileicon -g
```**Note**:
* Whether you need `sudo` depends on how you installed Node.js and whether you've [changed permissions later](https://docs.npmjs.com/getting-started/fixing-npm-permissions); if you get an `EACCES` error, try again with `sudo`.
* The `-g` ensures [_global_ installation](https://docs.npmjs.com/getting-started/installing-npm-packages-globally) and is needed to put `fileicon` in your system's `$PATH`.## Manual installation
* Download [the CLI](https://raw.githubusercontent.com/mklement0/fileicon/stable/bin/fileicon) as `fileicon`.
* Make it executable with `chmod +x fileicon`.
* Move it or symlink it to a folder in your `$PATH`, such as `/usr/local/bin` (requires `sudo`).# Usage
Find concise usage information below; for complete documentation, read the [manual online](doc/fileicon.md), or, once installed, run `man fileicon` (`fileicon --man` if installed manually).
```nohighlight
$ fileicon --helpManage custom icons for files and folders on macOS.
SET a custom icon for a file or folder:
fileicon set []
REMOVE a custom icon from a file or folder:
fileicon rm
GET a file or folder's custom icon:
fileicon get [-f] []
-f ... force replacement of existing output file
TEST if a file or folder has a custom icon:
fileicon test
All forms: option -q silences status output.
Standard options: --help, --man, --version, --home
```# License
Copyright (c) 2015-2022 Michael Klement (http://same2u.net), released under the [MIT license](https://spdx.org/licenses/MIT#licenseText).
## Acknowledgements
This project gratefully depends on the following open-source components, according to the terms of their respective licenses.
[npm](https://www.npmjs.com/) dependencies below have optional suffixes denoting the type of dependency; the *absence* of a suffix denotes a required *run-time* dependency: `(D)` denotes a *development-time-only* dependency, `(O)` an *optional* dependency, and `(P)` a *peer* dependency.
## npm dependencies
* [doctoc (D)]()
* [json (D)]()
* [marked (D)](https://marked.js.org)
* [marked-man (D)]()
* [replace (D)]()
* [semver (D)]()
* [urchin (D)]()# Changelog
Versioning complies with [semantic versioning (semver)](http://semver.org/).
* ** v0.3.4 == [v0.3.3](https://github.com/mklement0/fileicon/compare/v0.3.2...v0.3.3)** (2023-03-02):
* [fix] Fix for [#42](https://github.com/mklement0/fileicon/issues/42), courtesy of [vszakats](https://github.com/vszakats).* **[v0.3.2](https://github.com/mklement0/fileicon/compare/v0.3.1...v0.3.2)** (2022-12-29):
* [enhancement] Support for *volume* icons, at least in principle; **caveat**: as of macOS 13.1, this often fails in practice; see https://apple.stackexchange.com/q/451965/28668 for an example.* **[v0.3.1](https://github.com/mklement0/fileicon/compare/v0.3.0...v0.3.1)** (2022-04-07):
* [compatibility] Removed dependency on Python in favor of AppleScript with its ObjC bridge, courtesy of [@scriptingosx](https://github.com/scriptingosx)* **[v0.3.0](https://github.com/mklement0/fileicon/compare/v0.2.4...v0.3.0)** (2022-02-11):
* [compatibility] Added support for using an available `python3` on macOS 12.3+, where the system v2.x `/usr/bin/python` will no longer be avaialble.* **[v0.2.4](https://github.com/mklement0/fileicon/compare/v0.2.3...v0.2.4)** (2019-12-10):
* [installation] Thanks to @danielbayley, there is now an official Homebrew formula.* **[v0.2.3](https://github.com/mklement0/fileicon/compare/v0.2.2...v0.2.3)** (2019-11-01):
* [enhancement] Installation via Homebrew is now possible on macOS.
* [doc] `README.md` updated with Homebrew installation instructions.
* [dev] Updated dev-time-only packages to fix security issues.* **[v0.2.2](https://github.com/mklement0/fileicon/compare/v0.2.1...v0.2.2)** (2018-03-05):
* [enhancement] `filecon set ` is now short for `filecon set `; that is, you can now more
conveniently make an image file use itself as its icon.* **[v0.2.1](https://github.com/mklement0/fileicon/compare/v0.2.0...v0.2.1)** (2018-01-13):
* [doc] Read-me improvements re supported image formats.
* [enhancement] Improved wording of error message on attempting to use a pipe
such as via a process subsitution (`<(...)`) in lieu of an actual image file,
which is not supported.* **[v0.2.0](https://github.com/mklement0/fileicon/compare/v0.1.10...v0.2.0)** (2017-10-14):
* [compatibility] macOS 10.13 (High Sierra) is now supported.
* [enhancement] Switched from using `sips -i` for icon creation to a Python-based
Cocoa call to `NSWorkSpace.setIcon(_:forFile:options:)`, courtesy of https://apple.stackexchange.com/a/161984/28668
As a result, icons in multiple resolutions are now generated, with a top resolution of 512 x 512 pixels (previously: 128 x 128)
* [doc] More technical background added to `README.md`.
* [usability] subcommands are now case-insensitive, and 'remove' is supported as an alias of 'rm'.* **[v0.1.8](https://github.com/mklement0/fileicon/compare/v0.1.7...v0.1.8)** (2016-04-21):
* [dev] Refactored exit-code reporting for the 'get' command (no change in functionality.)
* [dev] `TODO.md` added.* **[v0.1.7](https://github.com/mklement0/fileicon/compare/v0.1.6...v0.1.7)** (2016-04-21):
* [fix] Stored-npm-credentials detection code in the Makefile updated for
newer npm versions.
* [fix] Folder write test is now properly skipped for 'get' and 'test'
commands - thanks, @zmwangx.
* [fix] 'get' command now properly reports errors if icon extracton fails
- thanks, @zmwangx.
* [dev] Insignificant trailing whitespace removed - thanks, @zmwangx.
* [dev] Added folder used by tests that was missing from the repo.* **[v0.1.6](https://github.com/mklement0/fileicon/compare/v0.1.5...v0.1.6)** (2015-09-16):
* [doc] Man-page improvements.
* [dev] Makefile improvements.* **[v0.1.5](https://github.com/mklement0/fileicon/compare/v0.1.4...v0.1.5)** (2015-09-15):
* [doc] Man-page improvements.
* [dev] Makefile improvements.* **[v0.1.4](https://github.com/mklement0/fileicon/compare/v0.1.3...v0.1.4)** (2015-09-14):
* [fix] Spurious error message no longer prints when invoking `fileicon --man` on a system where the man page isn't installed.
* [doc] Read-me improvements.* **[v0.1.3](https://github.com/mklement0/fileicon/compare/v0.1.2...v0.1.3)** (2015-09-02):
* [dev, doc] minor tweaks* **[v0.1.2](https://github.com/mklement0/fileicon/compare/v0.1.1...v0.1.2)** (2015-08-04):
* [doc] Read-me and manual enhancements.* **[v0.1.1](https://github.com/mklement0/fileicon/compare/v0.1.0...v0.1.1)** (2015-08-03):
* [doc] Read-me and manual enhancements.
* [dev] Permission-related tests added.* **v0.1.0** (2015-08-03):
* Initial release.