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author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 12:19:09 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 12:19:09 +0000 |
commit | 62e41d3f2e48422bbdf1bb2db83ae60b255b1a1a (patch) | |
tree | 4d0edb1c1986e1578b181ebe2441acfee27f1fab /lib/importenv.rb | |
parent | 3db12e8b236ac8f88db8eb4690d10e4a3b8dbcd4 (diff) | |
download | ruby-62e41d3f2e48422bbdf1bb2db83ae60b255b1a1a.tar.gz |
Initial revision
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8 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"] |