[pmwiki-users] wikish example please

Mark Lee mark.lee.phd at gmail.com
Wed May 29 11:38:18 CDT 2013

I have copied your files Test.LocCode and Test.Loc1, Test.Loc2 and
Test.Loc3 to my site. I copied the wikish command to a new page
Plants.Plant001. I changed the grep source as shown below.
{(wikish echo "|| border=1"; grep '\(:location.*x=.*y=' Plants.Plant? | sed
-e 's/^/||/' -e 's/:\(:/||/' -e 's/ x=/||/' -e 's/ y=/||y=/' -e

I get the error
WikiSh.Read: Unable to read Plants.Plant?. Does not exist.
Sorry for the newbie question, but what is the syntax error?

Another question... I am able to set a single variable equal to a line
selected with grep using the set command in wikish. Is there a way to parse
the variable and to push results into a set of arrays. For example, each
location line has a x= and y= value, and I would like to push x and y
values into separate arrays like I do in php. Is this something that can be
done with functions in wikish?


On Tue, May 28, 2013 at 11:39 PM, Mark Lee <mark.lee.phd at gmail.com> wrote:

> Thank you Peter! Amazing. That example is so helpful. I'm glad I found
> pmwiki.
> -Mark
> On Tue, May 28, 2013 at 11:14 PM, Peter Bowers <pbowers at pobox.com> wrote:
>> On Tue, May 28, 2013 at 9:32 PM, Mark Lee <mark.lee.phd at gmail.com> wrote:
>> >
>> > I am new to wikish. Is it possible to do the following with wikish?
>> >
>> > A subset of pages in a group have this markup on the page.
>> >
>> > (:location x=1 y=2:)
>> > (:location x=10 y=10:)
>> > (:location x=20 y=5)
>> > etc...
>> >
>> > 1. What is the code for listing out the locations, one per line, along
>> with the pagenames, excluding all pages without the (:loaction:) markup.
>> For example:
>> >
>> > Group:Group1
>> > Pagename=Name1, x=1, y=2
>> > Pagename=Name1, x=10, y=10
>> > Pagename=Name1, x=20, y=5
>> > Pagename=Name6, x=3, y=15
>> > Pagename=Name82, x=5, y=70
>> > Pagename=Name82, x=2, y=40
>> > etc...
>> grep '\(:location.*x=.*y=' Group1.*
>> > 2. Is it possible to format the output as a table?
>>  Several ways.  Here's one (approximate):
>> grep 'location.*x=.*y=' Group1.* | sed -e 's/^/||/' -e 's/:\(:/||/' -e
>> 's/ x=/||x=' -e 's/ y=/||y=' -e 's/:\).*$/||'
>> See http://pmwiki.qdk.org/pmwiki.php?n=Test.LocCode for a working
>> example with 3 pages of test data.
>> > 3. Is it possible to pipe the result to additional wikish code or a php
>> function?
>> Always possible to pipe it to additional wikish.  Or put that value in a
>> wikish variable (or pv or ptv) and then further manipulate it.  Or put it
>> into Tmp pages (which are available for wikish access and manipulation but
>> don't exist otherwise).  Or etc.
>> To mess with it in a php function probably you would want to bind your
>> function to a markup expression and then pipe data to/from wikish using
>> standard wikish conventions.  You can look at
>> http://www.pmwiki.org/wiki/Cookbook/MiscMX for some fairly minimalized
>> examples to work off of.
>> -Peter
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