One catch is that if the user inputs something like "53", the
operation
must recognize the fact that the "53" in the first two examples is
not a
part of the file name, thereby filtering them out, but that "53" is a
part of the file name in the third example, thereby filtering it in.
This is one reason for the exclamation point tokens in vContainer.
Now for that catch:
put "53" into tSearch
repeat for each item tItem in tSearch
replace tItem with "%" & tItem in tFileList
end repeat
filter tFileList with "*%*"
repeat for each line tLine in tFileList
get matchtext(tLine & cr, "((/[^/%]*)%?([^/%]*/[^/%]*)%?([^/%]
*))" & cr, tFull, match1, match2, match3)
if it is true then
replace tFull with match1 & match2 & match3 in tFileList
end if
end repeat
filter tFileList with "*%*"
replace "%" with "" in tFileList
--> do something with tFileList
Explanation:
well the difficult part is this one:
((/[^/%]*)%?([^/%]*/[^/%]*)%?([^/%]*)
I am afraid, that's a regular expression. They are handy but they can
be quite daunting.
Because of the cr that follows the end of the string, this will only
match the /<filesize>/<creationdate> parts of the string.
tFull will match the biggest parenthesis, then match1/2/3 the small
ones.
[^/%] mean any character but / or %.
[^/%]* mean any number of character that match that pattern
%? means try to match a % if you can find one.
by replacing tFull with the set of matches I simply replace the
string that includes the % with a string where any % doesn't appear.
Note that this may not work property if you have 53 appearing more
than one time in the string.
What you need to do then is transform this:
[^/%]*)%?([^/%]*
into
([^/%]*)%?([^/%]*)+ which means one or more repetitions of that
pattern.
Hope this helps,
Marielle
------------------------------------------------
Marielle Lange (PhD), http://widged.com
Bite-size Applications for Education
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