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Provide script-accessible version info in your plugins

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created April 25, 2008 · complexity intermediate · author David Fishburn · version 7.0


Most plugins have something like the following at the beginning:

if exists('g:loaded_dbext') || &cp
  finish
endif
let g:loaded_dbext = 1

This prevents the plugin from being sourced more than once. It successfully accomplishes this task, but is essentially useless after that. So I have taken to setting the variable to the version of the plugin, rather than just 1. For example:

if exists('g:loaded_dbext') || &cp
  finish
endif
let g:loaded_dbext = 503

This way, other plugins that utilize my plugin can verify the version, and provide useful error messages or handle things as needed.

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