[Gambas-user] check 4 Gambas Runtime files?

Wed Dec 13 22:22:51 CET 2017

Right, not only the runtime is not installed, nothing is installed.

Regards
Gianluigi

2017-12-13 20:25 GMT+01:00 Jussi Lahtinen <jussi.lahtinen at gmail.com>:

> That does not install anything. It just adds the repo and updates.
>
>
> Jussi
>
> On Wed, Dec 13, 2017 at 8:58 PM, Gianluigi <bagonergi at gmail.com> wrote:
>
>> 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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