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I am having some issues with mod programming where this would be very helpful. On the Dev Wiki, I see minetest.get_modpath() for individual mod folders, but I need something that can get the "mods" folder itself. While at it, something like minetest.get_masterpath() might be useful to some modders as well.

There are several mod paths, not only one.

Why do you need it, though?

You could extract the minetest path out of minetest.get_worldpath()

See this function (ported from PHP to Lua):



It splits a string (str) at every occurence of <div> and returns it as a list:



This should work, but I didn't test it ;)

webdesigner97 wrote:See this function (ported from PHP to Lua):

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

function explode(div,str)
    if (div == '') then
        return nil
    else
        local pos,arr = 0,{}
        for st,sp in function() return string.find(str,div,pos,true) end do
            table.insert(arr,string.sub(str,pos,st-1))
            pos = sp + 1
        end
        table.insert(arr,string.sub(str,pos))
        return arr
    end
end

It splits a string (str) at every occurence of <div> and returns it as a list:

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

local minetestpath = minetest.get_worldpath()
 --> C:\Users\Christian\Desktop\Minetest\bin\..\worlds\Singleplayer

minetestpath = explode("",minetestpath)
 --> {"C:","Users","Christian","Desktop","Minetest","bin","..","worlds","Singleplayer"}
 -- Now we remove the last four strings in the list and we have the minetest dir

minetestpath[table.getn(minetestpath) - 0] = nil
minetestpath[table.getn(minetestpath) - 1] = nil
minetestpath[table.getn(minetestpath) - 2] = nil
minetestpath[table.getn(minetestpath) - 3] = nil
 --> {"C:","Users","Christian","Desktop","Minetest"}

 -- Convert it to a string
 minetestpath = table.concat(minetestpath,"")


This should work, but I didn't test it ;)

And why dont you use string:split()? https://github.com/minetest/minetest/blob/master/doc/lua_api.txt#L1046

PilzAdam wrote:

webdesigner97 wrote:See this function (ported from PHP to Lua):

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

function explode(div,str)
    if (div == '') then
        return nil
    else
        local pos,arr = 0,{}
        for st,sp in function() return string.find(str,div,pos,true) end do
            table.insert(arr,string.sub(str,pos,st-1))
            pos = sp + 1
        end
        table.insert(arr,string.sub(str,pos))
        return arr
    end
end

It splits a string (str) at every occurence of <div> and returns it as a list:

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

local minetestpath = minetest.get_worldpath()
 --> C:\Users\Christian\Desktop\Minetest\bin\..\worlds\Singleplayer

minetestpath = explode("",minetestpath)
 --> {"C:","Users","Christian","Desktop","Minetest","bin","..","worlds","Singleplayer"}
 -- Now we remove the last four strings in the list and we have the minetest dir

minetestpath[table.getn(minetestpath) - 0] = nil
minetestpath[table.getn(minetestpath) - 1] = nil
minetestpath[table.getn(minetestpath) - 2] = nil
minetestpath[table.getn(minetestpath) - 3] = nil
 --> {"C:","Users","Christian","Desktop","Minetest"}

 -- Convert it to a string
 minetestpath = table.concat(minetestpath,"")


This should work, but I didn't test it ;)

And why dont you use string:split()? https://github.com/minetest/minetest/blob/master/doc/lua_api.txt#L1046

Cause I'm not that good at lua and don't know all functions (same for the API) ;) But thx for the link

webdesigner97 wrote:See this function (ported from PHP to Lua):

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

function explode(div,str)
    if (div == '') then
        return nil
    else
        local pos,arr = 0,{}
        for st,sp in function() return string.find(str,div,pos,true) end do
            table.insert(arr,string.sub(str,pos,st-1))
            pos = sp + 1
        end
        table.insert(arr,string.sub(str,pos))
        return arr
    end
end

It splits a string (str) at every occurence of <div> and returns it as a list:

Your phone or window isn't wide enough to display the code box. If it's a phone, try rotating it to landscape mode.

Code: Select all

local minetestpath = minetest.get_worldpath()
 --> C:\Users\Christian\Desktop\Minetest\bin\..\worlds\Singleplayer

minetestpath = explode("",minetestpath)
 --> {"C:","Users","Christian","Desktop","Minetest","bin","..","worlds","Singleplayer"}
 -- Now we remove the last four strings in the list and we have the minetest dir

minetestpath[table.getn(minetestpath) - 0] = nil
minetestpath[table.getn(minetestpath) - 1] = nil
minetestpath[table.getn(minetestpath) - 2] = nil
minetestpath[table.getn(minetestpath) - 3] = nil
 --> {"C:","Users","Christian","Desktop","Minetest"}

 -- Convert it to a string
 minetestpath = table.concat(minetestpath,"")


This should work, but I didn't test it ;)

Thanks, that worked.

Note that get_worldpath may at any point in the future collapse the "bin" and ".." parts, without warning. I think it already does if the world path was passed to minetest via the command line.

kahrl wrote:Note that get_worldpath may at any point in the future collapse the "bin" and ".." parts, without warning. I think it already does if the world path was passed to minetest via the command line.

Yes, this might happen. But this function is more like a workaround, people can customize it if they think they need it or if it doesn't work correctly.