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Eytan
Asked: 2012-01-11 03:06:33 +0800 CST

How do I use sed or awk to remove text?

  • 772

I have the following line in a file:

      Linux Release............5.4.2.0-02 12_12_2011_07:31:23

How do I remove all characters before the first number with sed or awk?

I wish to get the following result:

      5.4.2.0-02 12_12_2011_07:31:23
linux shell awk sed

2 Answers

  1. Best Answer

    Try this:

    sed -e 's/[^0-9]\+//'
    • 2

  2. One way using sed:

    sed 's/^[^0-9]*//' <<<"      Linux Release............5.4.2.0-02 12_12_2011_07:31:23"

    Result:

    5.4.2.0-02 12_12_2011_07:31:23
    • 1