[TxMt] Re: Problem with Markdown Preview

[Graham Heath]

I'll tell you that what I would do first would be to make a new file and 
paste in:

      gem install --user redcarpet pygments.rb

Then run that line from within TextMate using Bundles -> Shell Script -> 
Execute line.

[You can also find it by pressing ⌘ + T and searching for "Execute 
line" or by pressing ^ + R.]

That way you can be relatively sure that the `gem` that TextMate runs 
commands with will be the one used to install pygments.

Thanks,
Graham

On 11 Nov 2019, at 10:39, Tao Zha wrote:

> Hi:
>
> After I updated macOS Catalina, Markdown Preview no longer works. I 
> got the following error message:
>
> Please install the Redcarpet and Pygments.rb RubyGems by running the 
> following:
> /usr/bin/gem install --user redcarpet pygments.rb
>
> After I ran the above command, I received the following error message 
> from the Terminal:
>
> $ /usr/bin/gem install --user redcarpet pygments.rb
> Building native extensions. This could take a while...
> ERROR:  Error installing redcarpet:
> 	ERROR: Failed to build gem native extension.
>
>     current directory: 
> /Users/tzha/.gem/ruby/2.6.0/gems/redcarpet-3.5.0/ext/redcarpet
> /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/bin/ruby -I 
> /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0 
> -r ./siteconf20191111-836-11oqvm2.rb extconf.rb
> mkmf.rb can't find header files for ruby at 
> /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/include/ruby.h
>
> You might have to install separate package for the ruby development
> environment, ruby-dev or ruby-devel for example.
>
> extconf failed, exit code 1
>
> Gem files will remain installed in 
> /Users/tzha/.gem/ruby/2.6.0/gems/redcarpet-3.5.0 for inspection.
> Results logged to 
> /Users/tzha/.gem/ruby/2.6.0/extensions/universal-darwin-19/2.6.0/redcarpet-3.5.0/gem_make.out
> Successfully installed pygments.rb-1.2.1
> Parsing documentation for pygments.rb-1.2.1
> Done installing documentation for pygments.rb after 0 seconds
> 1 gem installed
>
> Can someone help me to resolve this issue?
>
> Thanks,
>
> Tao


>
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