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author | (no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 12:19:22 +0000 |
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committer | (no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 12:19:22 +0000 |
commit | f12baed5df6d3c213dd75d2f0d9f36bb179fb843 (patch) | |
tree | c39f9c14cd6f8bcf85b6b842a2774cafb102bc2e /lib/importenv.rb | |
parent | 22ab6d39643b1bbc997e15b763d2b12996b1f1b9 (diff) |
This commit was manufactured by cvs2svn to create branch 'RUBY'.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/RUBY@9 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/importenv.rb')
-rw-r--r-- | lib/importenv.rb | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/importenv.rb b/lib/importenv.rb new file mode 100644 index 0000000000..41253765ea --- /dev/null +++ b/lib/importenv.rb @@ -0,0 +1,29 @@ +# importenv.rb -- imports environment variables as global variables +# +# Usage: +# +# require 'importenv' +# p $USER +# $USER = "matz" +# p ENV["USER"] + +for k,v in ENV + next unless /^[a-zA-Z][_a-zA-Z0-9]*/ =~ k + eval <<EOS + $#{k} = %q!#{v}! + trace_var "$#{k}", proc{|v| + ENV[%q!#{k}!] = v; + $#{k} = %q!#{v}! + if v == nil + untrace_var "$#{k}" + end + } +EOS +end + +p $TERM +$TERM = nil +p $TERM +p ENV["TERM"] +$TERM = "foo" +p ENV["TERM"] |