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author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 13:00:21 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 13:00:21 +0000 |
commit | 0a5ce153d6f949c0107c4acc3c6572878d3aa2a3 (patch) | |
tree | 9f9ff956a45c228deefa7a3b50f3dadc48f44900 /lib/Env.rb | |
parent | 72e0b10567bc33be27a7c609f885cf43c95ec845 (diff) |
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@20 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/Env.rb')
-rw-r--r-- | lib/Env.rb | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/Env.rb b/lib/Env.rb new file mode 100644 index 0000000000..e52501f801 --- /dev/null +++ b/lib/Env.rb @@ -0,0 +1,28 @@ +# Env.rb -- imports environment variables as global variables +# +# Usage: +# +# 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"] |