[bug #29827] 2.6.3 FEATURE REQUEST: Extend --only-matching to accept submatch

[Jari Aalto]

URL:
  <http://savannah.gnu.org/bugs/?29827>

                 Summary: 2.6.3 FEATURE REQUEST: Extend --only-matching to
accept submatch
                 Project: grep
            Submitted by: jaalto
            Submitted on: Sat 08 May 2010 03:42:03 PM EEST
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

Manual page reads:

       -o, --only-matching
              Print only the matched (non-empty) parts  of  a  matching 
line,
              with each such part on a separate output line.

FEATURE REQUEST

Extend the option to accept additional numeric argument to control the
submatch returned. (By default 0). This woudl make it possible to run:

  echo "Program version 1.12" | grep -E -o 1 "Program.*([0-9.]+)"




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