Question

I m on Snow Leopard and installed ruby, rubygems and rails the hivelogic way. When I change to my new jekyll project (~/Documents/blog/jekyll), and run

[jekyll]$jekyll --server-bash

I get:

[jekyll]$jekyll --server-bash: /usr/bin/jekyll: /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby: bad interpreter: No such file or directory

Of interest may be:

[jekyll]$which ruby
/usr/local/bin/ruby

And where I presume the problem is:

[jekyll]$echo $PATH
/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/opt/local/bin:/opt/local/sbin:~/.gem/ruby/1.8/bin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/opt/local/bin:/opt/local/sbin:~/.gem/ruby/1.8/bin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/opt/local/bin:/opt/local/sbin:~/.gem/ruby/1.8/bin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/opt/local/bin:/opt/local/sbin:~/.gem/ruby/1.8/bin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/opt/local/bin:/opt/local/sbin:~/.gem/ruby/1.8/bin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/opt/local/bin:/opt/local/sbin:~/.gem:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/opt/local/bin:/opt/local/sbin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/opt/local/bin:/opt/local/sbin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/opt/local/bin:/opt/local/sbin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/usr/local/bin/:/Users/Joe/.gem:/opt/local/bin:/opt/local/sbin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/usr/local/bin/:/Users/Joe/.gem:/opt/local/bin:/opt/local/sbin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/usr/local/bin/:/usr/local/bin/gem:/opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/opt/local/bin:/usr/local/git/bin:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools:/Users/Joe/.gem/ruby/1.8/bin:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools:/Users/Joe/.gem/ruby/1.8/bin:/Users/Joe/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools

The relevant part of my bash_profile:

export PATH=/opt/local/bin:/opt/local/sbin:$PATH                            
export MANPATH=/opt/local/share/man:$MANPATH
export PATH=${PATH}:~/Documents/sdks/android-sdk-mac_x86-1.6_r1/tools
export PATH="/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:$PATH"

Answer 1

putting

export PATH=/~/.gem:$PATH

in my ~/.bash_profile did the trick

Answer 2

Your $PATH is a mess. You show bash_profile which I presume is ~/.bash_profile but you don t show /etc/profile or ~/.bashrc or /etc/bash.bashrc. The last two are sourced when you start a non-login interactive shell like you ll get when you use Terminal.app. The "profile" ones are sourced for a login shells. One might source the other if they re set up that way.

If you have PATH="something:$PATH" that gets repeatedly executed because you ve got one or more of the files listed above sourcing each other, that can lead to the mess you have.

However, the problem with the "bad interpreter" message may not have anything to do with your $PATH. That message means that the shebang (in your case #!/some/path/to/ruby I think) in a script file is different than where Ruby is actually installed. That s why you ll often see shebangs that look like #!/usr/bin/env python so env will figure out via $PATH where Python (in this case) is located.

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