1 2 ruby testCommand.rb hello world 使用exec一个头疼的事情就是没有办法知道shell命令执行成功还是失败。 system system和exec相似,但是system执行的命令不会是在当前进程,而是在一个新创建的进程。system会返回布尔值来表明命令执行结果是成功还是失败。 1 2 3 4 5 6 7 8 9 10 11 12 13 $ irb > syste...
Execute shell commands There are a number of different ways to run shell commands from Ruby. Theexeccommand Kernel#execreplaces the current process and runs the command: exec('ls ~')# Nothing after this command is executed This might be a bit impractical, so have a look at the other optio...
maven:从命令行(commandline)读取取pom.xml中的属性(property) 本文链接:https://blog.csdn.net/10km/article/details/103333098 如何在命令行(shell)读取pom.xml中的属性呢?...questions/23802951/get-pom-xml-property-from-commandline 就是用maven的内置插件 maven-help-plugin 来实现,在windows 命令行下如下...
安装过程非常简单,只需要在终端或命令提示符窗口中输入一行命令即可完成安装: ```shell $ gem install commander ``` 这条命令会从RubyGems仓库下载并安装最新版本的Commander包。一旦安装成功,开发者便可以立即开始利用Commander来构建具有自动补全功能的命令行应用程序,从而提高工作效率,改善用户体验。 ### 1.2 Comman...
Wrapbox runs Ruby method or shell command in a container (ECS, docker). Installation Add this line to your application's Gemfile: gem'wrapbox' And then execute: $ bundle Or install it yourself as: $ gem install wrapbox Usage Write config.yml ...
RubySH 不仅仅是一款简单的 Shell 替代品,它更是一个革命性的命令行界面(CLI)工具,它将 Ruby 语言的强大功能与传统 Shell 命令的便捷性完美结合。RubySH 的设计初衷是为了让开发者能够更加高效地进行日常任务处理,同时也为那些希望深入学习 Ruby 语言的用户提供了绝佳的学习平台。 **RubySH 的核心特性包括:** ...
CommandProcessor#transactexecutes the given block against self, in this casesh; our Shell object. Within the block we can substitutesh.cdtocd, because the scope within the block usesshalready. sh=Shell.cd("/tmp")sh.transactdomkdir"shell-test-1"unlessexist?("shell-test-1")cd("shell-test...
"type":"shell", "command":"g++", "args": ["-g","${file}"] } ] } 如果我们想配置g++指令为:g++ -g main.cpp -std=c++11 -o main.out,则参数可设置为: 1 2 3 4 5 6 7 8 9 10 { "tasks": [ { "label":"build",
shell Set or show the shell-specific Ruby version install Install a Ruby version using ruby-build uninstall Uninstall a specific Ruby version rehash Rehash rbenv shims (run this after installing executables) version Show the current Ruby version and its origin ...
If you use RVM or rbenv to manage local Ruby interpreters, you can quickly set the required interpreter using Run Anything: Press Ctrl twice. In the invoked popup, start typing rvm use or rbenv shell, select the required interpreter and press Enter. (Optional) If necessary, click the Rollba...