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  1. Prepare
  2. Linux Shell
  3. Grep Sed Awk
  4. 'Sed' command #5
  5. Discussions

'Sed' command #5

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90 Discussions

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  • jain_rohitk
     + 0 comments

    As simple as that.

    sed -E 's/(\d{4}) (\d{4}) (\d{4}) (\d{4})/\4 \3 \2 \1/g'

  • uka412345
     + 0 comments

    pretty hardcoded but still works

    sed -E 's/([0-9]{4})\s([0-9]{4})\s([0-9]{4})\s([0-9]{4})/\4 \3 \2 \1/g'

  • welkinSL
     + 0 comments

    Test case 3 does NOT confirm to the problem specification:

    3
6692 0561 4520 3826
6425 7911 2003 7865
4033 3854 0338 5166

  • thambuclass10
     + 1 comment

    This works

    • sed -E "s/(\d+) (\d+) (\d+) (\d+)/\4 \3 \2 \1/"

  • Albertleng
     + 1 comment

    -E saves me :)

    sed -E 's/([0-9]{4} )([0-9]{4} )([0-9]{4} )([0-9]{4})/\4 \3\2\1/g'