When comparing GVim vs Rapid environment editor, the Slant community recommends Rapid environment editor for most people. In the question“What are the best power user tools for Windows?” Rapid environment editor is ranked 24th while GVim is ranked 28th. The most important reason people chose Rapid environment editor is:
Displays wrong entries in red, e.g. paths that do no longer exist.
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Pros
Pro Vim without a shell
When opening files from the file manager, it is still nice to have vim.
Pro Excellent performance
Because it loads the whole file into RAM, replacing all string occurences in 100MB+ files is quick and easy. Every other editor sort of died during that.
Pro Works on all platforms
Whether its your windows machine, a Linux, Unix or a Mac Vim would work everywhere. You can even build it from its source on your favorite linux environment.
Pro Has different cursor shape in command and insert modes
Unlike vim, gvim has different cursor shape in command and insert mode, which is very convenient.
Pro Supports all vim features and settings
All vim features, custom settings, and plugins are automatically available.
Pro Warnings
Displays wrong entries in red, e.g. paths that do no longer exist.
Pro Easy
Editing of Windows environment variables is easy, splits long lines.
Pro Resolve variables values, make easy a refactoring of PATH by extracting different elements in their own new variable
Pro Convert variables between verbatim and expandable
Windows supports referencing variables within variables, but only if they're marked in the registry as expandable, and conversion between the two types is exposed in the context menu for each variable.
Cons
Con GVim, like Vim, has a difficult learning curve
A lot of time is needed to learn all the commands and modes supported. A lot of time will also be spent tuning all the settings to the user's preference.
Con Simple
Some may not consider it a "power" user tool.