Imagemagick安装在Mac/OSX 10.8.4上引发字符串错误

我继续执行以下命令来安装ImageMagick：

1. $ brew update
2. $ brew uninstall imagemagick
3. $ brew install imagemagick 

引发以下错误：

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错误：版本“3”应为字符串

请报告此错误：

https://github.com/mxcl/homebrew/wiki/troubleshooting
/usr/local/Library/Homebrew/formula_support.rb:44:in `detect_version'
/usr/local/Library/Homebrew/formula_support.rb:65:in `version'
/usr/local/Library/Formula/imagemagick.rb:61
/usr/local/Library/Homebrew/formula.rb:666:in `instance_eval'
/usr/local/Library/Homebrew/formula.rb:666:in `bottle'
/usr/local/Library/Formula/imagemagick.rb:60
/usr/local/Library/Homebrew/formulary.rb:40:in `require'
/usr/local/Library/Homebrew/formulary.rb:40:in `klass'
/usr/local/Library/Homebrew/formulary.rb:90:in `get_formula'
/usr/local/Library/Homebrew/formulary.rb:175:in `factory'
/usr/local/Library/Homebrew/formula.rb:410:in `factory'
/usr/local/Library/Homebrew/extend/ARGV.rb:12:in `formulae'
/usr/local/Library/Homebrew/extend/ARGV.rb:12:in `map'
/usr/local/Library/Homebrew/extend/ARGV.rb:12:in `formulae'
/usr/local/Library/Homebrew/cmd/install.rb:22:in `install'
/usr/local/Library/brew.rb:95:in `send'
/usr/local/Library/brew.rb:95

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如何解决此问题？

这是公式中的错误。您应该将其报告给自制开发者，如果尚未修复，它将被修复。

我在下面的链接中找到了帮助。只需按照说明操作即可：