require 'echo'
echo("foo msg") > "foofile"
echo("foo msg") >> "foofile"
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| def echo msg | |
| Struct.new(:msg) { | |
| def method_missing sym, fname | |
| open(fname, sym == :> ? 'w' : 'a+') { |f| f.puts msg } || msg | |
| end | |
| }.new msg | |
| end |
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