Would this help?
put "ps,europe" into tSearch
repeat for each item tItem in tSearch
replace tItem with "%" & tItem in tFileList
end repeat
filter tFileList with "*%*"
replace "%" with "" in tFileList
This does a "or" choice and returns the file that contain ps or
europe. I let you work out how to do a "and" choice if you need so.
For it to work, "%" must be a character that will never appear in any
of you file string.
Cheers,
Marielle
On 25 Oct 2006, at 17:04, Mark Powell wrote:
Another text filtering question, please. I have studied the archives
but have not found precisely the solution that works.
I have a container vContainer of file names, each line of the form
<directory>/!?!<filename>!/<filesize>/<creationdate>
Here are three literal examples:
C:/The World/Asia/!?!prologue.ps!/1026/1115309596
C:/The World/Europe/!?!Map of Europe.jpg!/3536844/1155845730
C:/The World/!?!About1953.txt!/4288/1161776573
User-input text strings can define what files from vContainer are
to be
retained. The following works to filter-in the first example above:
filter vContainer with ("*!*.ps*!*")
However, if the user wants both ".ps" and "Europe" to be retained, how
best to do it without repeat loops and a lot of temporary copies of
vContainer? Is there a way?
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.
Any ideas greatly appreciated.
Mark Powell
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Marielle Lange (PhD), http://widged.com
Bite-size Applications for Education
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