diff options
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"] |