Created
June 20, 2014 18:46
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Sketch for env driven executable dispatcher
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| > ln -s /usr/bin/ruby /usr/bin/env-dispatcher | |
| > ln -s /usr/bin/go /usr/bin/env-dipatcher | |
| > export RUBY_VERSION=1.9 | |
| > ruby -v | |
| 1.9.3 p666 |
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| switch $0 | |
| case (ruby): | |
| switch $RUBY_VERSION | |
| case (1.9*): | |
| exec /opt/rubies/1.9/bin/ruby "$@" | |
| case (2.0*): | |
| exec /opt/rubies/2.0/bin/ruby "$@" | |
| else: | |
| exec /opt/rubies/2.1/bin/ruby "$@" | |
| case (go): | |
| switch $GO_VERSION | |
| case (1.3): | |
| #etc |
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