-i flag not supported
---------------------

                 Key: JRUBY-1950
                 URL: http://jira.codehaus.org/browse/JRUBY-1950
             Project: JRuby
          Issue Type: Bug
            Reporter: Charles Oliver Nutter
            Assignee: Thomas E Enebo
            Priority: Minor
             Fix For: JRuby 1.1RC2


>From Ruby man page:

{noformat}
     -i extension   Specifies in-place-edit mode.  The extension, if speci-
                    fied, is added to old file name to make a backup copy.
                    For example:

                          % echo matz > /tmp/junk
                          % cat /tmp/junk
                          matz
                          % ruby -p -i.bak -e '$_.upcase!' /tmp/junk
                          % cat /tmp/junk
                          MATZ
                          % cat /tmp/junk.bak
                          matz
{noformat}

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