无法卸载Scala

Question

我按照cs setupScala 网站上的描述安装了 Scala：https ://www.scala-lang.org/download/

现在由于某种原因我无法卸载它。我尝试过sudo apt-get purge scala，sudo apt-get remove scala但它只是输出“包'scala'未安装，因此未删除”。但是，该命令scala仍然有效。

如何卸载 scala？

Answer 1

您链接的说明告诉您

要安装 Scala，建议使用cs setup由 Coursier 提供支持的 Scala 安装程序。

cs可以使用相同的程序来卸载该软件 - 您可以通过调用其内置帮助来验证：

$ ./cs --help
Usage: ./cs <COMMAND>
Coursier is the Scala application and artifact manager.
It can install Scala applications and setup your Scala development environment.
It can also download and cache artifacts from the web.

Install application commands:
  install    Install an application from its descriptor.
  list       List all currently installed applications.
  setup      Setup a machine for Scala development.
  uninstall  Uninstall one or more applications.
  update     Update one or more applications.

Application channel commands:
  channel  Manage additional channels, used by coursier to resolve application descriptors.
  search   Search application names from known channels.

Java commands:
  java       Manage installed JVMs and run java.
  java-home  Print the home directory of a particular JVM.

Launcher commands:
  bootstrap  Create a binary launcher from a dependency or an application descriptor.
  launch     Launch an application from a dependency or an application descriptor.

Resolution commands:
  fetch    Transitively fetch the JARs of one or more dependencies or an application.
  resolve  Resolve and print the transitive dependencies of one or more dependencies or an application.

Other commands:
  version  Prints the coursier version

和

$ ./cs uninstall --help
Usage: ./cs uninstall [options] [app-name*]
Uninstall one or more applications.
The given name must be the application executable name, which may differ from the descriptor name.

Examples:
$ cs uninstall amm
$ cs uninstall bloop scalafix
$ cs uninstall --all

Help options:
  --usage                                        Print usage and exit
  -h, -help, --help                              Print help message and exit
  -help-full, -full-help, --help-full, --full-help  Print help message, including hidden options, and exit

Uninstall options:
  --dir, --install-dir string?
  --all
  -q, --quiet                   Quiet output
  -v, --verbose                 Increase verbosity (specify several times to increase more)

有关其他详细信息，请参阅快递文档的卸载部分