[Gambas-user] check 4 Gambas Runtime files?

Wed Dec 13 19:58:58 CET 2017

Sorry maybe I'm wrong, but I know this:
>sudo add-apt-repository ppa:gambas-team/gambas3
>sudo apt-get update
It does not install the runtime but only the libraries and therefore what
we are saying here is useless.

Regards
Gianluigi

2017-12-13 19:25 GMT+01:00 Jussi Lahtinen <jussi.lahtinen at gmail.com>:

> There is standard for exit codes.
> http://www.tldp.org/LDP/abs/html/exitcodes.html
>
>
> Jussi
>
> On Wed, Dec 13, 2017 at 8:02 PM, T Lee Davidson <t.lee.davidson at gmail.com>
> wrote:
>
>> [shell-script]
>> #!/bin/bash
>>
>> which gbx3 &>/dev/null
>> if [ $? -ne 0 ]; then
>>     echo "Gambas runtime (gbx3) not found in path. Cannot continue."
>>     exit 1 # arbitrary exit code of your choice
>> fi
>>
>> if [[ $(gbx3 -e 'Comp(System.FullVersion, "3.10", gb.Natural) >= 0') ==
>> "False" ]]; then
>>     echo "So sorry."
>>     exit 2 # also an arbitrary exit code
>> fi
>>
>> # Great, do Gambas stuff now
>> [/shell-script]
>>
>> The line under the "which" statement basically says, "If the exit code
>> from the 'which' command is not equal to zero, then..."
>>
>>
>> Strangely on my system, this prints, "So sorry," even though my package
>> manager says version 3.10.0 of gambas-runtime is
>> installed. I have to assume that's an issue with the packager.
>>
>>
>> --
>> Lee
>>
>> On 12/13/2017 12:33 PM, mikeB wrote:
>> > OKAY then - I'll try that (what Tobi wrote). I just didn't really
>> understand it but I will after hack'n at it for awhile;-)
>> > THANKS - we can put this subject to bed unless someone has
>> > something else,
>> > mikeB
>> >
>> >
>> >
>> > On 12/13/2017 08:44 AM, Karl Reinl wrote:
>> >> Am Mittwoch, den 13.12.2017, 08:26 -0700 schrieb mikeB:
>> >>> thats what i was thinking (works only if Gambas is installed) but
>> wasn't
>> >>> sure.
>> >>>
>> >>> I really would prefer NOT to force the end user to install Gambas but
>> >>> only the v10 runtime files that are required to run the Gambas
>> developed
>> >>> software/ program. A terminal command to just check if the v10 runtime
>> >>> files are installed is really what I was looking for;-)
>> >>>
>> >>> thanks to all that have taken to time to respond -
>> >>> it's highly APPRECIATED! Have learned something from every post.
>> >>> mikeB
>> >>>
>> >>> On 12/13/2017 07:43 AM, PICCORO McKAY Lenz wrote:
>> >>>> the suggestin from tobias are the best for check a specific version
>> string,
>> >>>> due return a exact result, not an interpretative result
>> >>>>
>> >>>> good, but only works if gambas are installed, if not return
>> "commando not
>> >>>> found"
>> >>>>
>> >>>>
>> >>>>
>> >>>> Lenz McKAY Gerardo (PICCORO)
>> >>>> http://qgqlochekone.blogspot.com
>> >>>>
>> >>>> 2017-12-13 9:21 GMT-04:00 Jussi Lahtinen <jussi.lahtinen at gmail.com>:
>> >>>>
>> >>>>> gbx3 -V
>> >>>>> or
>> >>>>> gbx3 --version
>> >>>>>
>> >>>>> Works also...
>> >>>>>
>> >>>>>
>> >>>>> Jussi
>> >>>>>
>> >>>>> On Wed, Dec 13, 2017 at 9:54 AM, Tobias Boege <taboege at gmail.com>
>> wrote:
>> >>>>>
>> >>>>>> On Tue, 12 Dec 2017, mikeB wrote:
>> >>>>>>> On my web site, that I offer software programmed using Gambas, I
>> have a
>> >>>>>>> notice :
>> >>>>>>> ************************************************************
>> ***********
>> >>>>>>> VERY IMPORTANT: before installing this app you will need to
>> install
>> >>>>>> Gambas
>> >>>>>>> Runtime  v10 files - most systems will not have these very new
>> files
>> >>>>>>> installed yet.
>> >>>>>>>
>> >>>>>>> Do so via the terminal commands:
>> >>>>>>> sudo add-apt-repository ppa:gambas-team/gambas3
>> >>>>>>> sudo apt-get update
>> >>>>>>> ************************************************************
>> ***********
>> >>>>>>> Now that Gambas runtime 10 files are more common - being install
>> by the
>> >>>>>>> Distro - is there a way for the user (terminal command) to check
>> if
>> >>>>>> they are
>> >>>>>>> installed?
>> >>>>>>>
>> >>>>>>> This is a real newbie question I'm sure but hey.. I'm a newbie!
>> >>>>>>> Thanks for any all help on this matter and have a GREAT day,
>> >>>>>>> mikeB
>> >>>>>>>
>> >>>>>>
>> >>>>>> First check if the interpreter gbx3 is found in PATH, using the
>> "which"
>> >>>>>> utility. If not, I wouldn't call Gambas properly installed
>> (although
>> >>>>>> some people might disagree -- it's their computer -- but then they
>> will
>> >>>>>> be able to figure their Gambas version out themselves).
>> >>>>>>
>> >>>>>> Once you have that, the System class has FullVersion which gives
>> you the
>> >>>>>> Gambas version as a string and you can compare it like this:
>> >>>>>>
>> >>>>>>     $ gbx3 -e 'Comp(System.FullVersion, "3.10", gb.Natural) >= 0'
>> >>>>>>
>> >>>>>> Comp will return the sign (-1, 0 or 1) of subtracting the version
>> 3.10
>> >>>>>> from your Gambas version. You want the comparison to yield 0 or 1.
>> >>>>>> With the above line, you will see either the string "True" or
>> "False"
>> >>>>>> printed to the terminal; you can make the output fancier.
>> >>>>>>
>> >>>>>> NOTE: gb.Natural makes the comparison by natural sort, which is
>> >>>>>> appropriate
>> >>>>>> to compare version numbers. Observe:
>> >>>>>>
>> >>>>>>     $ gbx3 -e 'Comp("3.2", "3.10")'
>> >>>>>>     1
>> >>>>>>     $ gbx3 -e 'Comp("3.2", "3.10", gb.Natural)'
>> >>>>>>     -1
>> >>>>>>
>> >>>>>> Because "2" comes before "1" in the alphabet, the default
>> lexicographic
>> >>>>>> comparison mode declares the string "3.2" to be greater than
>> "3.10",
>> >>>>>> but gb.Natural gets it right.
>> >>>>>>
>> >>>>>> Also never coerce the string version into a float for easier
>> comparison
>> >>>>>> because you'll run into nasty bugs caused by float roundoff.
>> >>>>>>
>> >>>>>> Regards,
>> >>>>>> Tobi
>> >>>>>>
>> >>>>>> --
>> >>>>>> "There's an old saying: Don't change anything... ever!" -- Mr. Monk
>> >>>>>>
>> >>>>>
>> >>
>> >> Salut mikeB,
>> >>
>> >> reread what Tobi wrote: "which" is the magic command for that.
>> >>
>> >
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