前言

在生物信息学数据分析中，R语言是一个不可或缺的工具。为了提高R语言编程效率，合理设置快捷键显得尤为重要。本文介绍在VSCode Windsurf Cursor 中一些实用的R语言快捷键设置，让非 Rstudio 的 IDE 用起来得心应手😑

操作种类

管道操作符

• 管道操作符：%>% ，这是来自tidyverse包的经典管道操作符，用于链式数据处理，使代码更清晰易读。举个例子：data %>% filter() %>% select()
• 新型管道操作符： %<>%，来自magrittr包的复合赋值管道操作符，可以同时完成管道操作和赋值。例如：data %<>% filter() %>% select()

赋值操作符

• 左箭头赋值：<-，R语言中最常用的赋值方式
• 右箭头赋值：->，反向赋值操作符

例子：x <- 1; 1 -> x

集合相关操作

• 成员判断操作符：%in%，用于判断元素是否存在于向量或列表中,例如："gene1" %in% gene_list

其他

• RMarkdown相关，插入R代码块，快速在Rmd文件中插入R代码块，
• R 选项设置快捷键，常用选项设置，快速设置R环境的常用选项，比如：最大打印行数：100，启用httpgd图形设备，绘图设备为quartz等。

配置方法

所有快捷键都在R文件(.r)和RMarkdown文件(.rmd)中生效。快捷键设置可以根据个人习惯进行自定义修改。可以快速从 Rstudio 向其他 IDE 迁移，这些设置将帮在进行生物信息学分析时更高效地编写R代码

打开 VSCode Windsurf Cursor 等的用户设置Json文件，添加：

[{"key": "ctrl+shift+m","command": "editor.action.insertSnippet","args": {"snippet": " %>% "},"when": "editorTextFocus && (editorLangId == 'r' | editorLangId == 'rmd')"},{"key": "alt+-","command": "type","args": {"text": " <- "},"when": "editorTextFocus && (editorLangId == 'r' | editorLangId == 'rmd')"},{"key": "alt+=","command": "type","args": {"text": " -> "},"when": "editorTextFocus && (editorLangId == 'r' | editorLangId == 'rmd')"},{"key": "alt+5","command": "editor.action.insertSnippet","args": {"snippet": " %in% "},"when": "editorTextFocus && (editorLangId == 'r' | editorLangId == 'rmd')"},{"key": "alt+i","command": "editor.action.insertSnippet","args": {"snippet": "```{r}\n$0\n```"},"when": "editorTextFocus && editorLangId == 'rmd'"},{"key": "ctrl+shift+,","command": "editor.action.insertSnippet","args": {"snippet": " %<>% "},"when": "editorTextFocus && (editorLangId == 'r' | editorLangId == 'rmd')"},{"key": "alt+o","command": "editor.action.insertSnippet","when": "editorTextFocus && (editorLangId == 'r' | editorLangId == 'rmd')","args": {"snippet": "options(\n  max.print=100,\n  vsc.use_httpgd=TRUE,\n  device='quartz'\n)"}}]