vscode 常用变量

• ${workspaceFolder} the path of the workspace folder that contains the tasks.json file
• ${workspaceRootFolderName} the name of the folder opened in VS Code without any slashes (/)
• ${file} the current opened file
• ${relativeFile} the current opened file relative to the workspace folder containing the file
• ${fileBasename} the current opened file‘s basename
• ${fileBasenameNoExtension} the current opened file‘s basename without the extension
• ${fileDirname} the current opened file‘s dirname
• ${fileExtname} the current opened file‘s extension
• ${cwd} the task runner‘s current working directory on startup
• ${lineNumber} the current selected line number in the active file