rubygems - ruby gem not found although it is installed (Ubuntu 14) -

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i know question has been asked before, yet i've not been able remedy existing advice.

my gem environment follows:

gem environment rubygems environment:   - rubygems version: 1.3.7   - ruby version: 1.9.3 (2014-10-27 patchlevel 550) [x86_64-linux]   - installation directory: /usr/lib/ruby/gems/1.9.1   - ruby executable: /usr/bin/ruby1.9.1   - executable directory: /usr/bin   - rubygems platforms:     - ruby     - x86_64-linux   - gem paths:      - /usr/lib/ruby/gems/1.9.1      - /home/egge/.gem/ruby/1.9.1   - gem configuration:      - :update_sources => true      - :verbose => true      - :benchmark => false      - :backtrace => false      - :bulk_threshold => 1000   - remote sources:      - http://rubygems.org/

i installed gem:

gem list --local | grep active activesupport (4.1.7) activesupport-inflector (0.1.0)

but when run ruby, can't find it:

/usr/bin/ruby1.9.1 -e 'require "active_support/inflector"' -e:1:in `require': cannot load such file -- active_support/inflector (loaderror) -e:1:in `<main>'

i @ loss why setup isn't working.

i found workaround. i'm not sure cause of issue is, apparently there change ruby 1.9.2+. following works fine:

/usr/bin/ruby1.9.1 --disable-gems -e 'require "rubygems"; require "active_support/inflector"'

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