This is not important, I will just restart, but...
In the middle of an extensive editing session just now,
(using the new View beta,) I noticed this untamed behaviour:
>> split-path %index.r
== [%./index.r %index.r] ; what?
>> split-path %index
== [%./index.r %index] ; still crazy, let's investigate...
>> ?? split-path
split-path: func [
{Splits a file or URL path. Returns a block containing path and target.}
target [file! url!]
/local file path p][
p: %./index.r ;;; <------------- ((( notice this line... )))
path: parse/all target "/"
if all [1 = length? path not empty? path/1] [
change path either any ["./" = path/1 "." = path/1 all [any ["../" =
path/1 ".." = path/1] p: %../]] [none]
[to-file path/1]
all [slash = last target path/1 append path/1 slash]
return head insert path p]
foreach item path [if item [append item slash]]
if (last target) <> slash [remove back tail last path]
file: last path
remove back tail path
file: to-file file
if (length? path) = 0 [insert path slash file: none]
path: rejoin path file
all [any [file = %. file = %..] file: dirize file]
either file? target [
reduce [to-file path file]] [
reduce [to-url join (copy/part target head target) path file]
]
]
; just check the global context...
>> p
** Script Error: p has no value
** Near: p
Now, if you start a fresh rebol, you should see 'p
initialised to %./
But it was changed somehow.
How could any of my code modify the local 'p ?
(I was doing a lot of stuff with index.r files, and
I also patched path-thru slightly).
How did the value of p get changed? How did the value
escape from the local context of the function to be
modified somewhere else? I cannot see a way, but
perhaps some of you have ideas.
Anton.
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