Try to grep out varnish version does not work

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                          I try to read the varnish version from a Linux Command line, but the following does not work:

    varnishd -V | grep -P '(?<=varnish-)[0-9.]+' -o

This always returns this

    varnishd (varnish-3.0.3 revision 9e6a70f)
    Copyright (c) 2006 Verdens Gang AS
    Copyright (c) 2006-2011 Varnish Software AS

instead of just this

    3.0.3

Any hints on what I do wrong?

Thanks

Asked by Klaus Hörmann-Engl (3 rep)

Oct 9, 2017, 12:33 PM
Last activity: Oct 9, 2017, 01:12 PM

Try to grep out varnish version does not work

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