libs/uvl: convert uvlc to nixio.fs api, fix error condition when no schema is found

diff --git a/libs/uvl/root/usr/bin/uvlc b/libs/uvl/root/usr/bin/uvlc
index c07cc54..caaeb2a 100755 (executable)
--- a/libs/uvl/root/usr/bin/uvlc
+++ b/libs/uvl/root/usr/bin/uvlc
@@ -1,21 +1,22 @@
 #!/usr/bin/lua
 
 #!/usr/bin/lua
 

-

 if arg[1] then
        require("luci.util")
        require("luci.uvl")
 if arg[1] then
        require("luci.util")
        require("luci.uvl")

-       require("luci.fs")
+       require("nixio.fs")

 
        local uvl = luci.uvl.UVL()
        local scheme, err = uvl:get_scheme( arg[1] )
 
        if scheme then
 
        local uvl = luci.uvl.UVL()
        local scheme, err = uvl:get_scheme( arg[1] )
 
        if scheme then

-               luci.fs.writefile(
+               nixio.fs.writefile(

                        "%s/bytecode/%s.lua" %{ uvl.schemedir, arg[1] },
                        luci.util.get_bytecode(scheme)
                )
                        "%s/bytecode/%s.lua" %{ uvl.schemedir, arg[1] },
                        luci.util.get_bytecode(scheme)
                )

-       else
+       elseif err then

                print("Error:", err:string())
                print("Error:", err:string())

+       else
+               print("Error: Can not find scheme:", arg[1])

        end
 else
        print( "Usage: uvlc <scheme>" )
        end
 else
        print( "Usage: uvlc <scheme>" )