gistfile1.txt

versions << version.gsub!(/[\[\]]/, "")

output:


[ruby-1.8.6-p420]
[ruby-1.8.6-head]
[ruby-1.8.7-p334]
[ruby-1.8.7-head]
[ruby-1.9.1-p243]
[ruby-1.9.1-p378]
[ruby-1.9.1-p429]
[ruby-1.9.1-head]
[ruby-1.9.2-preview1]
[ruby-1.9.2-preview3]
[ruby-1.9.2-rc1]
[ruby-1.9.2-rc2]
[ruby-1.9.2-p180]
[ruby-1.9.2-head]
[ruby-head]
[goruby]
[jruby-1.2.0]
[jruby-1.3.1]
[jruby-1.4.0]
[jruby-1.5.6]
[jruby-1.6.0.RC1]
[jruby-1.6.0.RC2]
[jruby-head]
[rbx-1.0.1]
[rbx-1.1.0]
[rbx-1.1.1]
[rbx-1.2.0]
[rbx-1.2.1]
[rbx-head]
[ree-1.8.6]
[ree-1.8.7-2011.02]
[ree-1.8.6-head]
[ree-1.8.7-head]
[maglev-25289]
[maglev-head]
[macruby-0.8]
[macruby-nightly]
[macruby-head]
[ironruby-0.9.3]
[ironruby-1.0-rc2]
[ironruby-head]