FAQ
Hello,

If I want to do something like this:-

if $::lsbdistrelease >= 6.3 {
SOMETHING
}

Do I have to convert lsbdistrelease from a string to a number with an
inline template or some such ?

Thanks
Paul

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  • Alessandro Ogier at Mar 18, 2013 at 4:28 pm

    Il 18/03/2013 17:16, olliesdad@googlemail.com ha scritto:
    Hello,

    If I want to do something like this:-

    if $::lsbdistrelease >= 6.3 {
    SOMETHING
    }

    Do I have to convert lsbdistrelease from a string to a number with an
    inline template or some such ?
    Hi, you can use versioncmp(), it's a builtin function

    http://docs.puppetlabs.com/references/latest/function.html#versioncmp



    ciao,
    --
    Alessandro Ogier
    Specialista Reti e Sistemi - Area Ricerca
    Direzione ICT Gruppo IEO/CCM

    Istituto Europeo di Oncologia
    Via Serio, 15 - 20139 Milan, Italy
    P +39 02 94375269
    E alessandro.ogier@ieo.eu
    W http://www.ieo.it

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  • 尹川51web at Mar 19, 2013 at 12:49 am
    thanks ,that's help me, too!


    On Tue, Mar 19, 2013 at 12:25 AM, Alessandro Ogier
    wrote:
    Il 18/03/2013 17:16, olliesdad@googlemail.com ha scritto:

    Hello,
    If I want to do something like this:-

    if $::lsbdistrelease >= 6.3 {
    SOMETHING
    }

    Do I have to convert lsbdistrelease from a string to a number with an
    inline template or some such ?
    Hi, you can use versioncmp(), it's a builtin function

    http://docs.puppetlabs.com/**references/latest/function.**html#versioncmp<http://docs.puppetlabs.com/references/latest/function.html#versioncmp>



    ciao,
    --
    Alessandro Ogier
    Specialista Reti e Sistemi - Area Ricerca
    Direzione ICT Gruppo IEO/CCM

    Istituto Europeo di Oncologia
    Via Serio, 15 - 20139 Milan, Italy
    P +39 02 94375269
    E alessandro.ogier@ieo.eu
    W http://www.ieo.it


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  • Jcbollinger at Mar 19, 2013 at 3:23 pm

    On Monday, March 18, 2013 11:16:41 AM UTC-5, Olli...@googlemail.com wrote:
    Hello,

    If I want to do something like this:-

    if $::lsbdistrelease >= 6.3 {
    SOMETHING
    }

    Do I have to convert lsbdistrelease from a string to a number with an
    inline template or some such ?
    Generally speaking, yes. All fact values are strings, and the language
    docs specify that the behavior of the <, <=, >=, and > operators is
    undefined for strings. For this particular case, however, Alessandro
    Ogier's suggestion to use the versioncmp() function is an excellent one.
    Not only is it easy to use, but it still does what you (probably) want when
    you compare against, say, version 6.11.


    John

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